New upstream version 4.13+dfsg1

.gitignore

@@ -1,50 +0,0 @@
-*~
-lib*.a
-*.o
-*.lo
-*.la
-*.gmo
-.deps
-.libs
-
-*.patch
-*.rej
-*.orig
-
-Makefile
-Makefile.in
-
-/ABOUT-NLS
-/aclocal.m4
-/autom4te.cache
-/compile
-/config.cache
-/config.guess
-/config.h
-/config.h.in
-/config.log
-/config.rpath
-/config.status
-/config.sub
-/configure
-/depcomp
-/install-sh
-/libtool
-/ltmain.sh
-/m4
-/missing
-/stamp-h1
-/ylwrap
-
-/po/*.header
-/po/*.sed
-/po/*.sin
-/po/Makefile.in.in
-/po/Makevars.template
-/po/POTFILES
-/po/Rules-quot
-/po/stamp-po
-
-/shadow.spec
-/shadow-*.tar.*
-/libmisc/getdate.c

.travis.yml

@@ -1,20 +0,0 @@
-sudo: false
-
-language: c
-
-compiler:
-  - gcc
-  - clang
-
-addons:
-  apt:
-    packages:
-      - autopoint
-      - xsltproc
-
-script:
- - ./autogen.sh --without-selinux --disable-man
- - grep ENABLE_ config.status
- - make
-
-# vim:et:ts=2:sw=2

AUTHORS.md

@@ -0,0 +1,89 @@
+Thanks to at least the following people for sending patches, bug
+reports and various comments. This list may be incomplete, I received
+a lot of mail...
+
+# Maintainers
+* Tomasz Kłoczko <kloczek@pld.org.pl> (2000-2007)
+* Nicolas François <nicolas.francois@centraliens.net> (2007-2014)
+* Serge E. Hallyn <serge@hallyn.com> (2014-now)
+* Christian Brauner <christian@brauner.io> (2019-now)
+* Iker Pedrosa <ipedrosa@redhat.com> (2022-now)
+
+# Authors and contributors
+* Adam Rudnicki <adam@v-lo.krakow.pl>
+* Alan Curry <pacman@tardis.mars.net>
+* Aleksa Sarai <cyphar@cyphar.com>
+* Alexander O. Yuriev <alex@bach.cis.temple.edu>
+* Algis Rudys <arudys@rice.edu>
+* Andreas Jaeger <aj@arthur.rhein-neckar.de>
+* Andy Zaugg <andy.zaugg@gmail.com>
+* Aniello Del Sorbo <anidel@edu-gw.dia.unisa.it>
+* Anton Gluck <gluc@midway.uchicago.edu>
+* Arkadiusz Miskiewicz <misiek@pld.org.pl>
+* Ben Collins <bcollins@debian.org>
+* Brian R. Gaeke <brg@dgate.org>
+* Calle Karlsson <ckn@kash.se>
+* Chip Rosenthal <chip@unicom.com>
+* Chris Evans <lady0110@sable.ox.ac.uk>
+* Chris Lamb <chris@chris-lamb.co.uk>
+* Cristian Gafton <gafton@sorosis.ro>
+* Dan Walsh <dwalsh@redhat.com>
+* Darcy Boese <possum@chardonnay.niagara.com>
+* Dave Hagewood <admin@arrowweb.com>
+* David A. Holland <dholland@hcs.harvard.edu>
+* David Frey <David.Frey@lugs.ch>
+* Ed Carp <ecarp@netcom.com>
+* Ed Neville <ed@s5h.net>
+* Eric W. Biederman" <ebiederm@xmission.com>
+* Floody <flood@evcom.net>
+* Frank Denis <j@4u.net>
+* George Kraft IV <gk4@us.ibm.com>
+* Greg Mortensen <loki@world.std.com>
+* Guido van Rooij
+* Guy Maor <maor@debian.org>
+* Hrvoje Dogan <hdogan@bjesomar.srce.hr>
+* Jakub Hrozek <jhrozek@redhat.com>
+* Janos Farkas <chexum@bankinf.banki.hu>
+* Jason Franklin <jason.franklin@quoininc.com>
+* Jay Soffian <jay@lw.net>
+* Jesse Thilo <Jesse.Thilo@pobox.com>
+* Joey Hess <joey@kite.ml.org>
+* John Adelsberger <jja@umr.edu>
+* Jonathan Hankins <jhankins@mailserv.homewood.k12.al.us>
+* Jon Lewis <jlewis@lewis.org>
+* Joshua Cowan <jcowan@hermit.reslife.okstate.edu>
+* Judd Bourgeois <shagboy@bluesky.net>
+* Juergen Heinzl <unicorn@noris.net>
+* Juha Virtanen <jiivee@iki.fi>
+* Julian Pidancet <julian.pidancet@gmail.com>
+* Julianne Frances Haugh <julie78787@gmail.com>
+* Leonard N. Zubkoff <lnz@dandelion.com>
+* Luca Berra <bluca@www.polimi.it>
+* Lukáš Kuklínek <lkukline@redhat.com>
+* Lutz Schwalowsky <schwalow@mineralogie.uni-hamburg.de>
+* Marc Ewing <marc@redhat.com>
+* Martin Bene <mb@sime.com>
+* Martin Mares <mj@gts.cz>
+* Michael Meskes <meskes@topsystem.de>
+* Michael Talbot-Wilson <mike@calypso.bns.com.au>
+* Michael Vetter <jubalh@iodoru.org>
+* Mike Frysinger <vapier@gentoo.org>
+* Mike Pakovic <mpakovic@users.southeast.net>
+* Nicolas François <nicolas.francois@centraliens.net>
+* Nikos Mavroyanopoulos <nmav@i-net.paiko.gr>
+* Pavel Machek <pavel@bug.ucw.cz>
+* Peter Vrabec <pvrabec@redhat.com>
+* Phillip Street
+* Rafał Maszkowski <rzm@icm.edu.pl>
+* Rani Chouha <ranibey@smartec.com>
+* Sami Kerola <kerolasa@rocketmail.com>
+* Scott Garman <scott.a.garman@intel.com>
+* Sebastian Rick Rijkers <srrijkers@gmail.com>
+* Seraphim Mellos <mellos@ceid.upatras.gr>
+* Shane Watts <shane@nexus.mlckew.edu.au>
+* Steve M. Robbins <steve@nyongwa.montreal.qc.ca>
+* Thorsten Kukuk <kukuk@suse.de>
+* Tim Hockin <thockin@eagle.ais.net>
+* Timo Karjalainen <timok@iki.fi>
+* Ulisses Alonso Camaro <ulisses@pusa.eleinf.uv.es>
+* Werner Fink <werner@suse.de>

COPYING

@@ -1,118 +1,41 @@
-NOTE:
+SPDX-License-Identifier: BSD-3-Clause
-  This license has been obsoleted by the change to the BSD-style copyright.
-  You may continue to use this license if you wish, but you are under no
-  obligation to do so.
 
-(*
+All files under this project either
-This document is freely plagiarised from the 'Artistic Licence',
-distributed as part of the Perl v4.0 kit by Larry Wall, which is
-available from most major archive sites.  I stole it from CrackLib.
 
-	$Id$
+1. fall under the BSD 3 clause license (by default).
-*)
 
-This documents purpose is to state the conditions under which this
+2. carry an SPDX header declaring what license applies.
-Package (See definition below) viz: "Shadow", the Shadow Password Suite
-which is held by Julianne Frances Haugh, may be copied, such that the
-copyright holder maintains some semblance of artistic control over the
-development of the package, while giving the users of the package the
-right to use and distribute the Package in a more-or-less customary
-fashion, plus the right to make reasonable modifications. 
 
-So there.
+or
 
-***************************************************************************
+3. list a full custom license
 
-Definitions:
+This software is originally
 
+ * Copyright (c) 1989 - 1994, Julianne Frances Haugh
 
-A "Package" refers to the collection of files distributed by the
+ * All rights reserved.
-Copyright Holder, and derivatives of that collection of files created
+ *
-through textual modification, or segments thereof. 
+ * Redistribution and use in source and binary forms, with or without
-
+ * modification, are permitted provided that the following conditions
-"Standard Version" refers to such a Package if it has not been modified,
+ * are met:
-or has been modified in accordance with the wishes of the Copyright
+ * 1. Redistributions of source code must retain the above copyright
-Holder.
+ *    notice, this list of conditions and the following disclaimer.
-
+ * 2. Redistributions in binary form must reproduce the above copyright
-"Copyright Holder" is whoever is named in the copyright or copyrights
+ *    notice, this list of conditions and the following disclaimer in the
-for the package.
+ *    documentation and/or other materials provided with the distribution.
-
+ * 3. The name of the copyright holders or contributors may not be used to
-"You" is you, if you're thinking about copying or distributing this
+ *    endorse or promote products derived from this software without
-Package.
+ *    specific prior written permission.
-
+ *
-"Reasonable copying fee" is whatever you can justify on the basis of
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-media cost, duplication charges, time of people involved, and so on.
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-(You will not be required to justify it to the Copyright Holder, but
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-only to the computing community at large as a market that must bear the
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
-fee.)
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-"Freely Available" means that no fee is charged for the item itself,
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-though there may be fees involved in handling the item.  It also means
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-that recipients of the item may redistribute it under the same
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-conditions they received it.
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-1.  You may make and give away verbatim copies of the source form of the
-Standard Version of this Package without restriction, provided that you
-duplicate all of the original copyright notices and associated
-disclaimers.
-
-2.  You may apply bug fixes, portability fixes and other modifications
-derived from the Public Domain or from the Copyright Holder.  A Package
-modified in such a way shall still be considered the Standard Version.
-
-3.  You may otherwise modify your copy of this Package in any way,
-provided that you insert a prominent notice in each changed file stating
-how and when AND WHY you changed that file, and provided that you do at
-least ONE of the following:
-
-a) place your modifications in the Public Domain or otherwise make them
-Freely Available, such as by posting said modifications to Usenet or an
-equivalent medium, or placing the modifications on a major archive site
-such as uunet.uu.net, or by allowing the Copyright Holder to include
-your modifications in the Standard Version of the Package.
-
-b) use the modified Package only within your corporation or organization.
-
-c) rename any non-standard executables so the names do not conflict with
-standard executables, which must also be provided, and provide separate
-documentation for each non-standard executable that clearly documents
-how it differs from the Standard Version.
-
-d) make other distribution arrangements with the Copyright Holder.
-
-4.  You may distribute the programs of this Package in object code or
-executable form, provided that you do at least ONE of the following:
-
-a) distribute a Standard Version of the executables and library files,
-together with instructions (in the manual page or equivalent) on where
-to get the Standard Version.
-
-b) accompany the distribution with the machine-readable source of the
-Package with your modifications.
-
-c) accompany any non-standard executables with their corresponding
-Standard Version executables, giving the non-standard executables
-non-standard names, and clearly documenting the differences in manual
-pages (or equivalent), together with instructions on where to get the
-Standard Version.
-
-d) make other distribution arrangements with the Copyright Holder.
-
-5.  You may charge a reasonable copying fee for any distribution of this
-Package.  You may charge any fee you choose for support of this Package. 
-YOU MAY NOT CHARGE A FEE FOR THIS PACKAGE ITSELF.  However, you may
-distribute this Package in aggregate with other (possibly commercial)
-programs as part of a larger (possibly commercial) software distribution
-provided that YOU DO NOT ADVERTISE this package as a product of your
-own. 
-
-6.  The name of the Copyright Holder may not be used to endorse or
-promote products derived from this software without specific prior
-written permission.
-
-7.  THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
-WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
-MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-
-				The End

ChangeLog

@@ -1,3 +1,204 @@
+2022-11-08  Serge Hallyn <serge@hallyn.com>
+
+	* useradd.8: fix default group ID (Tim Biermann)
+	* Revert drop of subid_init() (Serge Hallyn)
+	* Georgian translation (NorwayFun)
+	* useradd: Avoid taking unneeded space: do not reset non-existent data
+	  in lastlog (David Kalnischkies)
+	* relax username restrictions (Alexander Kanavin)
+	* selinux: check MLS enabled before setting serange (genBTC)
+	* copy_tree: use fchmodat instead of chmod (Samanta Navarro)
+	* copy_tree: don't block on FIFOs (Samanta Navarro)
+	* add shell linter (Jan Macku)
+	* copy_tree: carefully treat permissions (Samanta Navarro)
+	* lib/commonio: make lock failures more detailed (Luca BRUNO)
+	* lib: use strzero and memzero where applicable (Christian Göttsche)
+	* Update Dutch translation (Frans Spiesschaert)
+	* Don't test for NULL before calling free (Alex Colomar)
+	* Use libc MAX() and MIN() (Alejandro Colomar)
+	* chage: Fix regression in print_date (Xiami)
+	* usermod: report error if homedir does not exist (Iker Pedrosa)
+	* libmisc: minimum id check for system accounts (Iker Pedrosa)
+	* fix usermod -rG x y wrongly adding a group (xyz)
+	* man: add missing space in useradd.8.xml (Iker Pedrosa)
+	* lastlog: check for localtime() return value (Iker Pedrosa)
+	* Raise limit for passwd and shadow entry length (Iker Pedrosa)
+	* Remove adduser-old.c (Alejandro Colomar)
+	* useradd: Fix buffer overflow when using a prefix (David Michael)
+	* Don't warn when failed to open /etc/nsswitch.conf (Serge Hallyn)
+
+2022-08-15  Serge Hallyn <serge@hallyn.com>
+
+	* Address CVE-2013-4235 (TOCTTOU when copying directories)
+	  (Christian Göttsche)
+
+2022-08-15  Serge Hallyn <serge@hallyn.com>
+
+	* Fix uk manpages
+
+2022-08-08  Serge Hallyn <serge@hallyn.com>
+
+	* Add absolute path hint to --root (Celeste Liu)
+	* Various cleanups (Christian Göttsche)
+	* Fix Ubuntu release used in CI tests (Jeremy Whiting)
+	* add -F options to useradd (and tests) (Masatake YAMATO)
+	* useradd manpage updates (Masatake YAMATO and Alexander Zhang))
+	* Check for ownerid (not just username) in subid ranges (Iker Pedrosa)
+
+2022-07-04  Serge Hallyn <serge@hallyn.com>
+
+	* Declare file local functions static (Christian Göttsche)
+	* Use strict prototypes (Christian Göttsche)
+	* Do not drop const qualifier for Basename (Christian Göttsche)
+	* Constify various pointers (Christian Göttsche)
+	* Don't return uninitialized memory (Christian Göttsche)
+	* Don't let compiler optimize away memory cleaning (Christian Göttsche)
+	* Remove many obsolete compatibility checks  and defines (Alejandro Colomar)
+	* Modify ID range check in useradd (Iker Pedrosa)
+	* Use "extern "C"" to make libsubid easier to use from C++ (Alois Wohlschlager)
+	* French translation updates (bubu)
+	* Fix s/with-pam/with-libpam/ (serge)
+	* Spanish translation updates (Fernando)
+	* French translation fixes (Balint Reczey)
+	* Default max group name length to 32 (Jami Kettunen)
+	* Fix PAM service files without-selinux (Ali Riza KESKIN)
+	* Improve manpages (Markus Hiereth)
+	  - groupadd, useradd, usermod
+	  - groups and id
+	  - pwck
+	* Add fedora to CI builds (Iker Pedrosa)
+	* Fix condition under which pw_dir check happens (Ed Neville)
+	* logoutd: switch to strncat (Steve Grubb)
+	* AUTHORS: improve markdown output (Iker Pedrosa)
+	* Handle ERANGE errors correctly (Niko)
+	* Check for fopen NULL return (juyin)
+	* Split get_salt() into its own fn juyin)
+	* Get salt before chroot to ensure /dev/urandom. (juyin)
+	* Chpasswd code cleanup (juyin)
+	* Work around git safe.directory enforcement (serge)
+	* Alphabetize order in usermod help (Matheus Marques)
+	* Erase password copy on error branches (Christian Göttsche)
+	* Suggest using --badname if needed (Iker Pedrosa)
+	* Update translation files (Iker Pedrosa)
+	* Correct badnames option to badname (Iker Pedrosa)
+	* configure: replace obsolete autoconf macros (Christian Göttsche)
+	* tests: replace egrep with grep -E (Sam James)
+	* Update Ukrainian translations (Yuri Chornoivan)
+	* Cleanups (Iker Pedrosa)
+	  - Remove redeclared variable
+	  - Remove commented out code and FIXMEs
+	  - Add header guards
+	  - Initialize local variables
+	* CI updates (Iker Pedrosa)
+	  - Create github workflow to install dependencies
+	  - Enable CodeQL
+	  - Update actions version
+	* libmisc: use /dev/urandom as fallback if other methods fail (Xi Ruoyao)
+
+
+2022-01-02  Serge Hallyn <serge@hallyn.com>
+
+	* build: include lib/shadowlog_internal.h in dist tarballs (Sam James)
+
+2022-01-02  Serge Hallyn <serge@hallyn.com>
+
+	* Handle possible TOCTTOU issues in usermod/userdel (edneville)
+	  * (CVE-2013-4235)
+	  * Use O_NOFOLLOW when copying file
+	  * Kill all user tasks in userdel
+	* Fix useradd -D segfault (Xi Ruoyao)
+	* Clean up obsolete libc feature-check ifdefs (Alejandro Colomar)
+	* Fix -fno-common build breaks due to duplicate Prog declarations
+	  (Adam Sampson)
+	* Have single date_to_str definition (Alejandro Colomar)
+	* Fix libsubid SONAME version (Sam James)
+
+2021-12-19  Serge Hallyn <serge@hallyn.com>
+
+	Note: From this release forward, su from this package should be
+	considered deprecated.  Please replace any users of it with su from
+	util-linux.  Please open an issue if there is a problem with that.
+	We intend to remove it in an upcoming release.
+
+	* libsubid fixes (Xi Ruoyao, Serge Hallyn, Iker Pedrosa, Mike Gilbert,
+	  GalaxyMaster, and Luís Ferreira)
+	* Rename the test program list_subid_ranges to getsubids, write
+	  a manpage, so distros can ship it. (Iker Pedrosa)
+	* Add libeconf dep for new*idmap (Iker Pedrosa)
+	* Allow all group types with usermod -G (Iker Pedrosa)
+	* Avoid useradd generating empty subid range (Iker Pedrosa)
+	* Handle NULL pw_passwd (Jaroslav Jindrak)
+	* Fix default value SHA_get_salt_rounds (Mike Gilbert)
+	* Use https where possible in README (Paul Menzel)
+	* Update content and format of README (Iker Pedrosa)
+	* Translation updates (Balint Reczey, Frans Spiesschaert)
+	* Switch from xml2po to itstool in 'make dist' (Serge Hallyn)
+	* Fix double frees (Michael Vetter)
+	* Add LOG_INIT configurable to useradd (Andy Zaugg)
+	* Add CREATE_MAIL_SPOOL documentation (Andy Zaugg)
+	* Create a security.md
+	* Fix su never being SIGKILLd when trapping TERM (Ruihan li)
+	* Fix wrong SELinux labels in several possible cases (Iker Pedrosa)
+	* Fix missing chmod in chadowtb_move (GalaxyMaster)
+	* Handle malformed hushlogins entries (Tobias Stoeckmann)
+	* Fix groupdel segv when passwd does not exist (François Rigault)
+	* Fix covscan-found newgrp segfault (Iker Pedrosa)
+	* Remove trailing slash on hoedir (Ed Neville)
+	* Fix passwd -l message - it does not change expirey (Ed Neville)
+	* Fix SIGCHLD handling bugs in su and vipw (Tobias Stoeckmann)
+	* Remove special case for "" in usermod (Alejandro Colomar)
+	* Implement usermod -rG to remove a specific group
+	  (Andy Zaugg)
+	* call pam_end() after fork in child path for su and login
+	  (Björn Fischer)
+	* useradd: In absence of /etc/passwd, assume 0 == root
+	  (Ludwig Nussel)
+	* lib: check NULL before freeing data (Iker Pedrosa)
+	* Fix pwck segfault (Iker Pedrosa)
+
+2021-07-22  Serge Hallyn <serge@hallyn.com>
+
+	* Updated translations (Björn Esser, Juergen Hoetzel)
+	* Major salt updates (Björn Esser)
+	* Various coverity and cleanup fixes (Iker Pedrosa)
+	* Consistently use 0 to disable PASS_MIN_DAYS  in man (tzccinct)
+	* Implement NSS support for subids and a libsubid (Serge Hallyn)
+	* setfcap: retain setfcap when mapping uid 0 (Christian Brauner)
+	* login.defs: include HMAC_CRYPTO_ALGO key (Iker Pedrosa)
+	* selinux fixes (Christian Göttsche)
+	* Fix path prefix path handling (Lucas Servén Marín)
+	* Manpage updates (tzccinct, Sevan Janiyan, Iker Pedrosa, Geert Ijewski,
+		谭九鼎, Jamin W. Collins, towerpark, andydna, Frans Spiesschaert)
+	* Treat an empty passwd field as invalid (Haelwenn Monnier)
+	* newxidmap: allow running under alternative gid (Martijn de Gouw)
+	* usermod: check that  shell is executable (Geert Ijewski)
+	* Add yescript support (Rodolphe Bréard)
+	* useradd memleak fixes (whzhe)
+	* useradd: use built-in settings by default (Ludwig Nussel)
+	* getdefs: add foreign (non-shadow-utils) items (Karel Zak)
+	* buffer overflow fixes (Tobias Stoeckmann)
+	* Adding run-parts style for pre and post useradd/del (ed@s5h.net)
+
+2020-01-23  Serge Hallyn <serge@hallyn.com>
+
+	* selinux: inclue stdio (Michael Vetter)
+	* man: don't suggest making groupmems user-writeable (Michael Weiser)
+	* Makefile: bail out on error in for loops (Wolfgang Bumiller)
+	* Adding logging of SSH_ORIGINAL_COMMAND to nologin. (ed@s5h.net)
+	* add new HOME_MODE login.defs option (Duncan Overbruck)
+	* Add tty logging to useradd (ed@s5h.net)
+	* Useradd: make non-executable shell check only a warning (Tomas Mraz)
+	* Update Dutch translation (Frans-Spiesschaert)
+	* user_busy: Do not mistake a regular user process for a namespaced one (Tomas Mraz)
+	* Revert "Honor --sbindir and --bindir for binary installation" Patrick McLean)
+
+2019-12-20  Dave Reisner <dreisner@archlinux.org>
+
+	* Do not auto-enable acct_tools_setuid just because
+	  pam is enabled.  NOTE - any distros which are relying
+	  on this behavior will need to switch to configure
+	  --enable-account-tools-setuid
+
 2019-12-01  Serge Hallyn <serge@hallyn.com>
 
 	* Release 4.8

Makefile.am

@@ -2,5 +2,14 @@
 
 EXTRA_DIST = NEWS README TODO shadow.spec.in
 
-SUBDIRS = po man libmisc lib src \
+SUBDIRS = libmisc lib
-	contrib doc etc
+
+if ENABLE_SUBIDS
+SUBDIRS += libsubid
+endif
+
+SUBDIRS += src po contrib doc etc
+
+if ENABLE_REGENERATE_MAN
+SUBDIRS += man
+endif

Makefile.in

@@ -0,0 +1,878 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
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+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
+	      || exit 1; \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+	-test -n "$(am__skip_mode_fix)" \
+	|| find "$(distdir)" -type d ! -perm -755 \
+		-exec chmod u+rwx,go+rx {} \; -o \
+	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
+	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
+	|| chmod -R a+r "$(distdir)"
+dist-gzip: distdir
+	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
+	$(am__post_remove_distdir)
+
+dist-bzip2: distdir
+	tardir=$(distdir) && $(am__tar) | BZIP2=$${BZIP2--9} bzip2 -c >$(distdir).tar.bz2
+	$(am__post_remove_distdir)
+
+dist-lzip: distdir
+	tardir=$(distdir) && $(am__tar) | lzip -c $${LZIP_OPT--9} >$(distdir).tar.lz
+	$(am__post_remove_distdir)
+dist-xz: distdir
+	tardir=$(distdir) && $(am__tar) | XZ_OPT=$${XZ_OPT--e} xz -c >$(distdir).tar.xz
+	$(am__post_remove_distdir)
+
+dist-zstd: distdir
+	tardir=$(distdir) && $(am__tar) | zstd -c $${ZSTD_CLEVEL-$${ZSTD_OPT--19}} >$(distdir).tar.zst
+	$(am__post_remove_distdir)
+
+dist-tarZ: distdir
+	@echo WARNING: "Support for distribution archives compressed with" \
+		       "legacy program 'compress' is deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
+	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
+	$(am__post_remove_distdir)
+
+dist-shar: distdir
+	@echo WARNING: "Support for shar distribution archives is" \
+	               "deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
+	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
+	$(am__post_remove_distdir)
+
+dist-zip: distdir
+	-rm -f $(distdir).zip
+	zip -rq $(distdir).zip $(distdir)
+	$(am__post_remove_distdir)
+
+dist dist-all:
+	$(MAKE) $(AM_MAKEFLAGS) $(DIST_TARGETS) am__post_remove_distdir='@:'
+	$(am__post_remove_distdir)
+
+# This target untars the dist file and tries a VPATH configuration.  Then
+# it guarantees that the distribution is self-contained by making another
+# tarfile.
+distcheck: dist
+	case '$(DIST_ARCHIVES)' in \
+	*.tar.gz*) \
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
+	*.tar.bz2*) \
+	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
+	*.tar.lz*) \
+	  lzip -dc $(distdir).tar.lz | $(am__untar) ;;\
+	*.tar.xz*) \
+	  xz -dc $(distdir).tar.xz | $(am__untar) ;;\
+	*.tar.Z*) \
+	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
+	*.shar.gz*) \
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
+	*.zip*) \
+	  unzip $(distdir).zip ;;\
+	*.tar.zst*) \
+	  zstd -dc $(distdir).tar.zst | $(am__untar) ;;\
+	esac
+	chmod -R a-w $(distdir)
+	chmod u+w $(distdir)
+	mkdir $(distdir)/_build $(distdir)/_build/sub $(distdir)/_inst
+	chmod a-w $(distdir)
+	test -d $(distdir)/_build || exit 0; \
+	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
+	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
+	  && am__cwd=`pwd` \
+	  && $(am__cd) $(distdir)/_build/sub \
+	  && ../../configure \
+	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
+	    $(DISTCHECK_CONFIGURE_FLAGS) \
+	    --srcdir=../.. --prefix="$$dc_install_base" \
+	  && $(MAKE) $(AM_MAKEFLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) $(AM_DISTCHECK_DVI_TARGET) \
+	  && $(MAKE) $(AM_MAKEFLAGS) check \
+	  && $(MAKE) $(AM_MAKEFLAGS) install \
+	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+	  && $(MAKE) $(AM_MAKEFLAGS) uninstall \
+	  && $(MAKE) $(AM_MAKEFLAGS) distuninstallcheck_dir="$$dc_install_base" \
+	        distuninstallcheck \
+	  && chmod -R a-w "$$dc_install_base" \
+	  && ({ \
+	       (cd ../.. && umask 077 && mkdir "$$dc_destdir") \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" install \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" uninstall \
+	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" \
+	            distuninstallcheck_dir="$$dc_destdir" distuninstallcheck; \
+	      } || { rm -rf "$$dc_destdir"; exit 1; }) \
+	  && rm -rf "$$dc_destdir" \
+	  && $(MAKE) $(AM_MAKEFLAGS) dist \
+	  && rm -rf $(DIST_ARCHIVES) \
+	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
+	  && cd "$$am__cwd" \
+	  || exit 1
+	$(am__post_remove_distdir)
+	@(echo "$(distdir) archives ready for distribution: "; \
+	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
+	  sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
+distuninstallcheck:
+	@test -n '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: trying to run $@ with an empty' \
+	       '$$(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	$(am__cd) '$(distuninstallcheck_dir)' || { \
+	  echo 'ERROR: cannot chdir into $(distuninstallcheck_dir)' >&2; \
+	  exit 1; \
+	}; \
+	test `$(am__distuninstallcheck_listfiles) | wc -l` -eq 0 \
+	   || { echo "ERROR: files left after uninstall:" ; \
+	        if test -n "$(DESTDIR)"; then \
+	          echo "  (check DESTDIR support)"; \
+	        fi ; \
+	        $(distuninstallcheck_listfiles) ; \
+	        exit 1; } >&2
+distcleancheck: distclean
+	@if test '$(srcdir)' = . ; then \
+	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
+	  exit 1 ; \
+	fi
+	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
+	  || { echo "ERROR: files left in build directory after distclean:" ; \
+	       $(distcleancheck_listfiles) ; \
+	       exit 1; } >&2
+check-am: all-am
+check: check-recursive
+all-am: Makefile config.h
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-hdr \
+	distclean-libtool distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
+	-rm -rf $(top_srcdir)/autom4te.cache
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: $(am__recursive_targets) all install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \
+	am--refresh check check-am clean clean-cscope clean-generic \
+	clean-libtool cscope cscopelist-am ctags ctags-am dist \
+	dist-all dist-bzip2 dist-gzip dist-lzip dist-shar dist-tarZ \
+	dist-xz dist-zip dist-zstd distcheck distclean \
+	distclean-generic distclean-hdr distclean-libtool \
+	distclean-tags distcleancheck distdir distuninstallcheck dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs installdirs-am \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

README

@@ -1,121 +1,36 @@
-Shadow SITES
+# shadow-utils
-============
 
-Homepage
+## Introduction
-	http://github.com/shadow-maint/shadow
+The shadow-utils package includes the necessary programs for
+converting UNIX password files to the shadow password format, plus
+programs for managing user and group accounts. The pwconv command
+converts passwords to the shadow password format. The pwunconv command
+unconverts shadow passwords and generates a passwd file (a standard
+UNIX password file). The pwck command checks the integrity of password
+and shadow files. The lastlog command prints out the last login times
+for all users. The useradd, userdel, and usermod commands are used for
+managing user accounts. The groupadd, groupdel, and groupmod commands
+are used for managing group accounts.
 
-Issue tracker
+## Sites
-	http://github.com/shadow-maint/shadow/issues
+* [Homepage](https://github.com/shadow-maint/shadow)
+* [Issue tracker](https://github.com/shadow-maint/shadow/issues)
+* [Releases](https://github.com/shadow-maint/shadow/releases)
 
-Releases
+## Contacts
-	https://github.com/shadow-maint/shadow/releases
+There are several ways to contact us:
+* [the general discussion mailing list](
+  https://alioth-lists.debian.net/mailman/listinfo/pkg-shadow-devel)
+* the #shadow IRC channel on libera.chat:
+  * irc://irc.libera.chat/shadow
 
-Mailing lists
+### Mailing archives
-	for general discuss: pkg-shadow-devel@lists.alioth.debian.org
+* [the general discussion mailing list archive](
-	commit list: pkg-shadow-commits@lists.alioth.debian.org
+  https://alioth-lists.debian.net/pipermail/pkg-shadow-devel/)
-
+* [the commit mailing list archive](
-Mailing lists subscription
+  https://alioth-lists-archive.debian.net/pipermail/pkg-shadow-commits/),
-	http://lists.alioth.debian.org/mailman/listinfo/pkg-shadow-devel
+  only used for historical purposes
-	http://lists.alioth.debian.org/mailman/listinfo/pkg-shadow-commits
-
-Mailing lists archives:
-	http://lists.alioth.debian.org/pipermail/pkg-shadow-devel/
-	http://lists.alioth.debian.org/pipermail/pkg-shadow-commits/
-
-S/Key support:
-	Shadow can be built with S/Key support using the S/Key package from:
-
-	http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libskey/
-	or
-	http://gentoo.osuosl.org/distfiles/skey-1.1.5.tar.bz2
-
-Authors and contributors
-========================
-
-Thanks to at least the following people for sending patches, bug
-reports and various comments.  This list may be incomplete, I received
-a lot of mail...
-
-
-Adam Rudnicki <adam@v-lo.krakow.pl>
-Alan Curry <pacman@tardis.mars.net>
-Aleksa Sarai <cyphar@cyphar.com>
-Alexander O. Yuriev <alex@bach.cis.temple.edu>
-Algis Rudys <arudys@rice.edu>
-Andreas Jaeger <aj@arthur.rhein-neckar.de>
-Aniello Del Sorbo <anidel@edu-gw.dia.unisa.it>
-Anton Gluck <gluc@midway.uchicago.edu>
-Arkadiusz Miskiewicz <misiek@pld.org.pl>
-Ben Collins <bcollins@debian.org>
-Brian R. Gaeke <brg@dgate.org>
-Calle Karlsson <ckn@kash.se>
-Chip Rosenthal <chip@unicom.com>
-Chris Evans <lady0110@sable.ox.ac.uk>
-Chris Lamb <chris@chris-lamb.co.uk>
-Cristian Gafton <gafton@sorosis.ro>
-Dan Walsh <dwalsh@redhat.com>
-Darcy Boese <possum@chardonnay.niagara.com>
-Dave Hagewood <admin@arrowweb.com>
-David A. Holland <dholland@hcs.harvard.edu>
-David Frey <David.Frey@lugs.ch>
-Ed Carp <ecarp@netcom.com>
-Eric W. Biederman" <ebiederm@xmission.com>
-Floody <flood@evcom.net>
-Frank Denis <j@4u.net>
-George Kraft IV <gk4@us.ibm.com>
-Greg Mortensen <loki@world.std.com>
-Guido van Rooij
-Guy Maor <maor@debian.org>
-Hrvoje Dogan <hdogan@bjesomar.srce.hr>
-Jakub Hrozek <jhrozek@redhat.com>
-Janos Farkas <chexum@bankinf.banki.hu>
-Jay Soffian <jay@lw.net>
-Jesse Thilo <Jesse.Thilo@pobox.com>
-Joey Hess <joey@kite.ml.org>
-John Adelsberger <jja@umr.edu>
-Jonathan Hankins <jhankins@mailserv.homewood.k12.al.us>
-Jon Lewis <jlewis@lewis.org>
-Joshua Cowan <jcowan@hermit.reslife.okstate.edu>
-Judd Bourgeois <shagboy@bluesky.net>
-Juergen Heinzl <unicorn@noris.net>
-Juha Virtanen <jiivee@iki.fi>
-Julian Pidancet <julian.pidancet@gmail.com>
-Julianne Frances Haugh <jockgrrl@ix.netcom.com>
-Leonard N. Zubkoff <lnz@dandelion.com>
-Luca Berra <bluca@www.polimi.it>
-Lukáš Kuklínek <lkukline@redhat.com>
-Lutz Schwalowsky <schwalow@mineralogie.uni-hamburg.de>
-Marc Ewing <marc@redhat.com>
-Martin Bene <mb@sime.com>
-Martin Mares <mj@gts.cz>
-Michael Meskes <meskes@topsystem.de>
-Michael Talbot-Wilson <mike@calypso.bns.com.au>
-Mike Frysinger <vapier@gentoo.org>
-Mike Pakovic <mpakovic@users.southeast.net>
-Nicolas François <nicolas.francois@centraliens.net>
-Nikos Mavroyanopoulos <nmav@i-net.paiko.gr>
-Pavel Machek <pavel@bug.ucw.cz>
-Peter Vrabec <pvrabec@redhat.com>
-Phillip Street
-Rafał Maszkowski <rzm@icm.edu.pl>
-Rani Chouha <ranibey@smartec.com>
-Sami Kerola <kerolasa@rocketmail.com>
-Scott Garman <scott.a.garman@intel.com>
-Sebastian Rick Rijkers <srrijkers@gmail.com>
-Seraphim Mellos <mellos@ceid.upatras.gr>
-Shane Watts <shane@nexus.mlckew.edu.au>
-Steve M. Robbins <steve@nyongwa.montreal.qc.ca>
-Thorsten Kukuk <kukuk@suse.de>
-Tim Hockin <thockin@eagle.ais.net>
-Timo Karjalainen <timok@iki.fi>
-Ulisses Alonso Camaro <ulisses@pusa.eleinf.uv.es>
-Werner Fink <werner@suse.de>
-
-Maintainers
-===========
-
-Tomasz Kłoczko <kloczek@pld.org.pl> (2000-2007)
-Nicolas François <nicolas.francois@centraliens.net> (2007-2014)
-Serge E. Hallyn <serge@hallyn.com> (2014-now)
-Christian Brauner <christian@brauner.io> (2019-now)
 
+## Authors and maintainers
+Authors and maintainers are listed in [AUTHORS.md](
+https://github.com/shadow-maint/shadow/blob/master/AUTHORS.md).

acinclude.m4

@@ -6,7 +6,7 @@ AC_DEFUN([JH_PATH_XML_CATALOG],
 [
   # check for the presence of the XML catalog
   AC_ARG_WITH([xml-catalog],
-              AC_HELP_STRING([--with-xml-catalog=CATALOG],
+              AS_HELP_STRING([--with-xml-catalog=CATALOG],
                              [path to xml catalog to use]),,
               [with_xml_catalog=/etc/xml/catalog])
   jh_found_xmlcatalog=true

autogen.sh

@@ -1,12 +0,0 @@
-#! /bin/sh
-
-autoreconf -v -f --install || exit 1
-
-./configure \
-	CFLAGS="-O2 -Wall" \
-	--enable-man \
-	--enable-maintainer-mode \
-	--disable-shared \
-	--without-libpam \
-	--with-selinux \
-	"$@"

compile

@@ -0,0 +1,348 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN* | MSYS*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/* | msys/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

config.h.in

@@ -0,0 +1,635 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if account management tools should be installed setuid and
+   authenticate the callers */
+#undef ACCT_TOOLS_SETUID
+
+/* Define to 1 if translation of program messages to the user's native
+   language is requested. */
+#undef ENABLE_NLS
+
+/* Define to support the subordinate IDs. */
+#undef ENABLE_SUBIDS
+
+/* Path for faillog file. */
+#undef FAILLOG_FILE
+
+/* Define to the type of elements in the array set by `getgroups'. Usually
+   this is either `int' or `gid_t'. */
+#undef GETGROUPS_T
+
+/* max group name length */
+#undef GROUP_NAME_MAX_LENGTH
+
+/* Define to 1 if you have the declaration of 'pam_fail_delay' */
+#undef HAS_PAM_FAIL_DELAY
+
+/* Defined to 1 if you have the declaration of 'secure_getenv' */
+#undef HAS_SECURE_GETENV
+
+/* Define to 1 if you have the <acl/libacl.h> header file. */
+#undef HAVE_ACL_LIBACL_H
+
+/* Define to 1 if you have the `arc4random_buf' function. */
+#undef HAVE_ARC4RANDOM_BUF
+
+/* Define to 1 if you have the <attr/error_context.h> header file. */
+#undef HAVE_ATTR_ERROR_CONTEXT_H
+
+/* Define to 1 if you have the <attr/libattr.h> header file. */
+#undef HAVE_ATTR_LIBATTR_H
+
+/* Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the
+   CoreFoundation framework. */
+#undef HAVE_CFLOCALECOPYCURRENT
+
+/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in
+   the CoreFoundation framework. */
+#undef HAVE_CFPREFERENCESCOPYAPPVALUE
+
+/* Define to 1 if you have the <crypt.h> header file. */
+#undef HAVE_CRYPT_H
+
+/* Define if the GNU dcgettext() function is already present or preinstalled.
+   */
+#undef HAVE_DCGETTEXT
+
+/* Define to 1 if you have the declaration of `PAM_DATA_SILENT', and to 0 if
+   you don't. */
+#undef HAVE_DECL_PAM_DATA_SILENT
+
+/* Define to 1 if you have the declaration of `PAM_DELETE_CRED', and to 0 if
+   you don't. */
+#undef HAVE_DECL_PAM_DELETE_CRED
+
+/* Define to 1 if you have the declaration of `PAM_ESTABLISH_CRED', and to 0
+   if you don't. */
+#undef HAVE_DECL_PAM_ESTABLISH_CRED
+
+/* Define to 1 if you have the declaration of `PAM_NEW_AUTHTOK_REQD', and to 0
+   if you don't. */
+#undef HAVE_DECL_PAM_NEW_AUTHTOK_REQD
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the `explicit_bzero' function. */
+#undef HAVE_EXPLICIT_BZERO
+
+/* Define to 1 if you have the `fchmod' function. */
+#undef HAVE_FCHMOD
+
+/* Define to 1 if you have the `fchown' function. */
+#undef HAVE_FCHOWN
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `fsync' function. */
+#undef HAVE_FSYNC
+
+/* Define to 1 if you have the `futimes' function. */
+#undef HAVE_FUTIMES
+
+/* Define to 1 if you have the `getentropy' function. */
+#undef HAVE_GETENTROPY
+
+/* Define to 1 if you have the `getgrgid_r' function. */
+#undef HAVE_GETGRGID_R
+
+/* Define to 1 if you have the `getgrnam_r' function. */
+#undef HAVE_GETGRNAM_R
+
+/* Define to 1 if you have the `getpwnam_r' function. */
+#undef HAVE_GETPWNAM_R
+
+/* Define to 1 if you have the `getpwuid_r' function. */
+#undef HAVE_GETPWUID_R
+
+/* Define to 1 if you have the `getrandom' function. */
+#undef HAVE_GETRANDOM
+
+/* Define to 1 if you have the `getspnam' function. */
+#undef HAVE_GETSPNAM
+
+/* Define to 1 if you have the `getspnam_r' function. */
+#undef HAVE_GETSPNAM_R
+
+/* Define if the GNU gettext() function is already present or preinstalled. */
+#undef HAVE_GETTEXT
+
+/* Define to 1 if you have the `getusershell' function. */
+#undef HAVE_GETUSERSHELL
+
+/* Define to 1 if you have the `getutent' function. */
+#undef HAVE_GETUTENT
+
+/* Define to 1 if you have the <gshadow.h> header file. */
+#undef HAVE_GSHADOW_H
+
+/* Define if you have the iconv() function and it works. */
+#undef HAVE_ICONV
+
+/* Define to 1 if you have the `initgroups' function. */
+#undef HAVE_INITGROUPS
+
+/* Define to 1 if you have the `innetgr' function. */
+#undef HAVE_INNETGR
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `l64a' function. */
+#undef HAVE_L64A
+
+/* Define to 1 if you have the <lastlog.h> header file. */
+#undef HAVE_LASTLOG_H
+
+/* Define to 1 if you have the `lckpwdf' function. */
+#undef HAVE_LCKPWDF
+
+/* Defined if you have libcrack. */
+#undef HAVE_LIBCRACK
+
+/* Defined if you have the ts&szs cracklib. */
+#undef HAVE_LIBCRACK_HIST
+
+/* Defined if it includes *Pw functions. */
+#undef HAVE_LIBCRACK_PW
+
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define to 1 if you have the <linux/btrfs_tree.h> header file. */
+#undef HAVE_LINUX_BTRFS_TREE_H
+
+/* Define to 1 if you have the <linux/magic.h> header file. */
+#undef HAVE_LINUX_MAGIC_H
+
+/* Define if struct lastlog has ll_host */
+#undef HAVE_LL_HOST
+
+/* Define to 1 if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
+/* Define to 1 if you have the `lutimes' function. */
+#undef HAVE_LUTIMES
+
+/* Define to 1 if you have the `memset_s' function. */
+#undef HAVE_MEMSET_S
+
+/* Define to 1 if you have the <minix/config.h> header file. */
+#undef HAVE_MINIX_CONFIG_H
+
+/* Define to 1 if you have the `mkdir' function. */
+#undef HAVE_MKDIR
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <paths.h> header file. */
+#undef HAVE_PATHS_H
+
+/* Define to 1 if you have the `putgrent' function. */
+#undef HAVE_PUTGRENT
+
+/* Define to 1 if you have the `putpwent' function. */
+#undef HAVE_PUTPWENT
+
+/* Define to 1 if you have the `putspent' function. */
+#undef HAVE_PUTSPENT
+
+/* Define to 1 if you have the `rename' function. */
+#undef HAVE_RENAME
+
+/* Define to 1 if you have the `rmdir' function. */
+#undef HAVE_RMDIR
+
+/* Define to 1 if you have the <rpc/key_prot.h> header file. */
+#undef HAVE_RPC_KEY_PROT_H
+
+/* Define to 1 if you have the <security/openpam.h> header file. */
+#undef HAVE_SECURITY_OPENPAM_H
+
+/* Define to 1 if you have the <security/pam_misc.h> header file. */
+#undef HAVE_SECURITY_PAM_MISC_H
+
+/* Define to 1 if you have the <selinux/selinux.h> header file. */
+#undef HAVE_SELINUX_SELINUX_H
+
+/* Define to 1 if you have the <semanage/semanage.h> header file. */
+#undef HAVE_SEMANAGE_SEMANAGE_H
+
+/* Define to 1 if you have the `setgroups' function. */
+#undef HAVE_SETGROUPS
+
+/* Define to 1 if you have the `sgetgrent' function. */
+#undef HAVE_SGETGRENT
+
+/* Define to 1 if you have the `sgetpwent' function. */
+#undef HAVE_SGETPWENT
+
+/* Define to 1 if you have the `sgetspent' function. */
+#undef HAVE_SGETSPENT
+
+/* Define to 1 if you have the <sgtty.h> header file. */
+#undef HAVE_SGTTY_H
+
+/* Have working shadow group support in libc */
+#undef HAVE_SHADOWGRP
+
+/* Define to 1 if you have the `snprintf' function. */
+#undef HAVE_SNPRINTF
+
+/* Define to 1 if stdbool.h conforms to C99. */
+#undef HAVE_STDBOOL_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strstr' function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if `st_atim' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_ATIM
+
+/* Define to 1 if `st_atimensec' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_ATIMENSEC
+
+/* Define to 1 if `st_mtim' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_MTIM
+
+/* Define to 1 if `st_mtimensec' is a member of `struct stat'. */
+#undef HAVE_STRUCT_STAT_ST_MTIMENSEC
+
+/* Define to 1 if `ut_addr' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_ADDR
+
+/* Define to 1 if `ut_addr_v6' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_ADDR_V6
+
+/* Define to 1 if `ut_host' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_HOST
+
+/* Define to 1 if `ut_name' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_NAME
+
+/* Define to 1 if `ut_syslen' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_SYSLEN
+
+/* Define to 1 if `ut_time' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_TIME
+
+/* Define to 1 if `ut_xtime' is a member of `struct utmpx'. */
+#undef HAVE_STRUCT_UTMPX_UT_XTIME
+
+/* Define to 1 if `ut_addr' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ADDR
+
+/* Define to 1 if `ut_addr_v6' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ADDR_V6
+
+/* Define to 1 if `ut_host' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_HOST
+
+/* Define to 1 if `ut_id' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_ID
+
+/* Define to 1 if `ut_name' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_NAME
+
+/* Define to 1 if `ut_syslen' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_SYSLEN
+
+/* Define to 1 if `ut_time' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TIME
+
+/* Define to 1 if `ut_tv' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TV
+
+/* Define to 1 if `ut_type' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_TYPE
+
+/* Define to 1 if `ut_user' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_USER
+
+/* Define to 1 if `ut_xtime' is a member of `struct utmp'. */
+#undef HAVE_STRUCT_UTMP_UT_XTIME
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/capability.h> header file. */
+#undef HAVE_SYS_CAPABILITY_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/random.h> header file. */
+#undef HAVE_SYS_RANDOM_H
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define to 1 if you have the <sys/statfs.h> header file. */
+#undef HAVE_SYS_STATFS_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <tcb.h> header file. */
+#undef HAVE_TCB_H
+
+/* Define to 1 if you have the <termios.h> header file. */
+#undef HAVE_TERMIOS_H
+
+/* Define to 1 if you have the <termio.h> header file. */
+#undef HAVE_TERMIO_H
+
+/* Define to 1 if you have the <ulimit.h> header file. */
+#undef HAVE_ULIMIT_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `updwtmp' function. */
+#undef HAVE_UPDWTMP
+
+/* Define to 1 if you have the `updwtmpx' function. */
+#undef HAVE_UPDWTMPX
+
+/* Define to 1 if you have the <utime.h> header file. */
+#undef HAVE_UTIME_H
+
+/* Define to 1 if `utime(file, NULL)' sets file's timestamp to the present. */
+#undef HAVE_UTIME_NULL
+
+/* Define to 1 if you have the <utmpx.h> header file. */
+#undef HAVE_UTMPX_H
+
+/* Define to 1 if you have the <utmp.h> header file. */
+#undef HAVE_UTMP_H
+
+/* Define to 1 if you have the <wchar.h> header file. */
+#undef HAVE_WCHAR_H
+
+/* Define to 1 if the system has the type `_Bool'. */
+#undef HAVE__BOOL
+
+/* Path for lastlog file. */
+#undef LASTLOG_FILE
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Location of system mail spool directory. */
+#undef MAIL_SPOOL_DIR
+
+/* Name of user's mail spool file if stored in user's home directory. */
+#undef MAIL_SPOOL_FILE
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Path to passwd program. */
+#undef PASSWD_PROGRAM
+
+/* Define if login should support the -r flag for rlogind. */
+#undef RLOGIN
+
+/* Define to the ruserok() "success" return value (0 or 1). */
+#undef RUSEROK
+
+/* Define to support the shadow group file. */
+#undef SHADOWGRP
+
+/* PAM conversation to use */
+#undef SHADOW_PAM_CONVERSATION
+
+/* The default shell. */
+#undef SHELL
+
+/* The size of `gid_t', as computed by sizeof. */
+#undef SIZEOF_GID_T
+
+/* The size of `uid_t', as computed by sizeof. */
+#undef SIZEOF_UID_T
+
+/* Define to support S/Key logins. */
+#undef SKEY
+
+/* Define to support newer BSD S/Key API */
+#undef SKEY_BSD_STYLE
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#undef STDC_HEADERS
+
+/* Define to support /etc/suauth su access control. */
+#undef SU_ACCESS
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Define to allow the bcrypt password encryption algorithm */
+#undef USE_BCRYPT
+
+/* Define to support flushing of nscd caches */
+#undef USE_NSCD
+
+/* Define to support Pluggable Authentication Modules */
+#undef USE_PAM
+
+/* Define to allow the SHA256 and SHA512 password encryption algorithms */
+#undef USE_SHA_CRYPT
+
+/* Define to support flushing of sssd caches */
+#undef USE_SSSD
+
+/* Define to use syslog(). */
+#undef USE_SYSLOG
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable general extensions on macOS.  */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable X/Open compliant socket functions that do not require linking
+   with -lxnet on HP-UX 11.11.  */
+#ifndef _HPUX_ALT_XOPEN_SOCKET_API
+# undef _HPUX_ALT_XOPEN_SOCKET_API
+#endif
+/* Identify the host operating system as Minix.
+   This macro does not affect the system headers' behavior.
+   A future release of Autoconf may stop defining this macro.  */
+#ifndef _MINIX
+# undef _MINIX
+#endif
+/* Enable general extensions on NetBSD.
+   Enable NetBSD compatibility extensions on Minix.  */
+#ifndef _NETBSD_SOURCE
+# undef _NETBSD_SOURCE
+#endif
+/* Enable OpenBSD compatibility extensions on NetBSD.
+   Oddly enough, this does nothing on OpenBSD.  */
+#ifndef _OPENBSD_SOURCE
+# undef _OPENBSD_SOURCE
+#endif
+/* Define to 1 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_SOURCE
+# undef _POSIX_SOURCE
+#endif
+/* Define to 2 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_1_SOURCE
+# undef _POSIX_1_SOURCE
+#endif
+/* Enable POSIX-compatible threading on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
+#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
+#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+# undef __STDC_WANT_IEC_60559_BFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
+#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
+# undef __STDC_WANT_IEC_60559_DFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
+#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
+# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
+#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
+# undef __STDC_WANT_IEC_60559_TYPES_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
+#ifndef __STDC_WANT_LIB_EXT2__
+# undef __STDC_WANT_LIB_EXT2__
+#endif
+/* Enable extensions specified by ISO/IEC 24747:2009.  */
+#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
+# undef __STDC_WANT_MATH_SPEC_FUNCS__
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable X/Open extensions.  Define to 500 only if necessary
+   to make mbstate_t available.  */
+#ifndef _XOPEN_SOURCE
+# undef _XOPEN_SOURCE
+#endif
+
+
+/* Define if utmpx should be used */
+#undef USE_UTMPX
+
+/* Define to allow the yescrypt password encryption algorithm */
+#undef USE_YESCRYPT
+
+/* Version number of package */
+#undef VERSION
+
+/* Build shadow with ACL support */
+#undef WITH_ACL
+
+/* Build shadow with Extended Attributes support */
+#undef WITH_ATTR
+
+/* Define if you want to enable Audit messages */
+#undef WITH_AUDIT
+
+/* Build shadow with BtrFS support */
+#undef WITH_BTRFS
+
+/* Build shadow with SELinux support */
+#undef WITH_SELINUX
+
+/* Build with su */
+#undef WITH_SU
+
+/* Build shadow with tcb support (incomplete) */
+#undef WITH_TCB
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Path for utmp file. */
+#undef _UTMP_FILE
+
+/* Path for wtmp file. */
+#undef _WTMP_FILE
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef gid_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef uid_t

config.rpath

@@ -0,0 +1,690 @@
+#! /bin/sh
+# Output a system dependent set of variables, describing how to set the
+# run time search path of shared libraries in an executable.
+#
+#   Copyright 1996-2014 Free Software Foundation, Inc.
+#   Taken from GNU libtool, 2001
+#   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+#
+#   This file is free software; the Free Software Foundation gives
+#   unlimited permission to copy and/or distribute it, with or without
+#   modifications, as long as this notice is preserved.
+#
+# The first argument passed to this file is the canonical host specification,
+#    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or
+#    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
+# should be set by the caller.
+#
+# The set of defined variables is at the end of this script.
+
+# Known limitations:
+# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
+#   than 256 bytes, otherwise the compiler driver will dump core. The only
+#   known workaround is to choose shorter directory names for the build
+#   directory and/or the installation directory.
+
+# All known linkers require a '.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+shrext=.so
+
+host="$1"
+host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+
+# Code taken from libtool.m4's _LT_CC_BASENAME.
+
+for cc_temp in $CC""; do
+  case $cc_temp in
+    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+    \-*) ;;
+    *) break;;
+  esac
+done
+cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
+
+# Code taken from libtool.m4's _LT_COMPILER_PIC.
+
+wl=
+if test "$GCC" = yes; then
+  wl='-Wl,'
+else
+  case "$host_os" in
+    aix*)
+      wl='-Wl,'
+      ;;
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      ;;
+    hpux9* | hpux10* | hpux11*)
+      wl='-Wl,'
+      ;;
+    irix5* | irix6* | nonstopux*)
+      wl='-Wl,'
+      ;;
+    linux* | k*bsd*-gnu | kopensolaris*-gnu)
+      case $cc_basename in
+        ecc*)
+          wl='-Wl,'
+          ;;
+        icc* | ifort*)
+          wl='-Wl,'
+          ;;
+        lf95*)
+          wl='-Wl,'
+          ;;
+        nagfor*)
+          wl='-Wl,-Wl,,'
+          ;;
+        pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+          wl='-Wl,'
+          ;;
+        ccc*)
+          wl='-Wl,'
+          ;;
+        xl* | bgxl* | bgf* | mpixl*)
+          wl='-Wl,'
+          ;;
+        como)
+          wl='-lopt='
+          ;;
+        *)
+          case `$CC -V 2>&1 | sed 5q` in
+            *Sun\ F* | *Sun*Fortran*)
+              wl=
+              ;;
+            *Sun\ C*)
+              wl='-Wl,'
+              ;;
+          esac
+          ;;
+      esac
+      ;;
+    newsos6)
+      ;;
+    *nto* | *qnx*)
+      ;;
+    osf3* | osf4* | osf5*)
+      wl='-Wl,'
+      ;;
+    rdos*)
+      ;;
+    solaris*)
+      case $cc_basename in
+        f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+          wl='-Qoption ld '
+          ;;
+        *)
+          wl='-Wl,'
+          ;;
+      esac
+      ;;
+    sunos4*)
+      wl='-Qoption ld '
+      ;;
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      wl='-Wl,'
+      ;;
+    sysv4*MP*)
+      ;;
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      wl='-Wl,'
+      ;;
+    unicos*)
+      wl='-Wl,'
+      ;;
+    uts4*)
+      ;;
+  esac
+fi
+
+# Code taken from libtool.m4's _LT_LINKER_SHLIBS.
+
+hardcode_libdir_flag_spec=
+hardcode_libdir_separator=
+hardcode_direct=no
+hardcode_minus_L=no
+
+case "$host_os" in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test "$GCC" != yes; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd*)
+    with_gnu_ld=no
+    ;;
+esac
+
+ld_shlibs=yes
+if test "$with_gnu_ld" = yes; then
+  # Set some defaults for GNU ld with shared library support. These
+  # are reset later if shared libraries are not supported. Putting them
+  # here allows them to be overridden if necessary.
+  # Unlike libtool, we use -rpath here, not --rpath, since the documented
+  # option of GNU ld is called -rpath, not --rpath.
+  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+  case "$host_os" in
+    aix[3-9]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test "$host_cpu" != ia64; then
+        ld_shlibs=no
+      fi
+      ;;
+    amigaos*)
+      case "$host_cpu" in
+        powerpc)
+          ;;
+        m68k)
+          hardcode_libdir_flag_spec='-L$libdir'
+          hardcode_minus_L=yes
+          ;;
+      esac
+      ;;
+    beos*)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    cygwin* | mingw* | pw32* | cegcc*)
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec='-L$libdir'
+      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    haiku*)
+      ;;
+    interix[3-9]*)
+      hardcode_direct=no
+      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+      ;;
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    netbsd*)
+      ;;
+    solaris*)
+      if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
+        ld_shlibs=no
+      elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+          ld_shlibs=no
+          ;;
+        *)
+          if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+            hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
+          else
+            ld_shlibs=no
+          fi
+          ;;
+      esac
+      ;;
+    sunos4*)
+      hardcode_direct=yes
+      ;;
+    *)
+      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+  esac
+  if test "$ld_shlibs" = no; then
+    hardcode_libdir_flag_spec=
+  fi
+else
+  case "$host_os" in
+    aix3*)
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      hardcode_minus_L=yes
+      if test "$GCC" = yes; then
+        # Neither direct hardcoding nor static linking is supported with a
+        # broken collect2.
+        hardcode_direct=unsupported
+      fi
+      ;;
+    aix[4-9]*)
+      if test "$host_cpu" = ia64; then
+        # On IA64, the linker does run time linking by default, so we don't
+        # have to do anything special.
+        aix_use_runtimelinking=no
+      else
+        aix_use_runtimelinking=no
+        # Test if we are trying to use run time linking or normal
+        # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+        # need to do runtime linking.
+        case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+          for ld_flag in $LDFLAGS; do
+            if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+              aix_use_runtimelinking=yes
+              break
+            fi
+          done
+          ;;
+        esac
+      fi
+      hardcode_direct=yes
+      hardcode_libdir_separator=':'
+      if test "$GCC" = yes; then
+        case $host_os in aix4.[012]|aix4.[012].*)
+          collect2name=`${CC} -print-prog-name=collect2`
+          if test -f "$collect2name" && \
+            strings "$collect2name" | grep resolve_lib_name >/dev/null
+          then
+            # We have reworked collect2
+            :
+          else
+            # We have old collect2
+            hardcode_direct=unsupported
+            hardcode_minus_L=yes
+            hardcode_libdir_flag_spec='-L$libdir'
+            hardcode_libdir_separator=
+          fi
+          ;;
+        esac
+      fi
+      # Begin _LT_AC_SYS_LIBPATH_AIX.
+      echo 'int main () { return 0; }' > conftest.c
+      ${CC} ${LDFLAGS} conftest.c -o conftest
+      aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
+}'`
+      if test -z "$aix_libpath"; then
+        aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
+}'`
+      fi
+      if test -z "$aix_libpath"; then
+        aix_libpath="/usr/lib:/lib"
+      fi
+      rm -f conftest.c conftest
+      # End _LT_AC_SYS_LIBPATH_AIX.
+      if test "$aix_use_runtimelinking" = yes; then
+        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+      else
+        if test "$host_cpu" = ia64; then
+          hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+        else
+          hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+        fi
+      fi
+      ;;
+    amigaos*)
+      case "$host_cpu" in
+        powerpc)
+          ;;
+        m68k)
+          hardcode_libdir_flag_spec='-L$libdir'
+          hardcode_minus_L=yes
+          ;;
+      esac
+      ;;
+    bsdi[45]*)
+      ;;
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      hardcode_libdir_flag_spec=' '
+      libext=lib
+      ;;
+    darwin* | rhapsody*)
+      hardcode_direct=no
+      if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
+        :
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    dgux*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      ;;
+    freebsd2.2*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    freebsd2*)
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      ;;
+    freebsd* | dragonfly*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    hpux9*)
+      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      hardcode_libdir_separator=:
+      hardcode_direct=yes
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      hardcode_minus_L=yes
+      ;;
+    hpux10*)
+      if test "$with_gnu_ld" = no; then
+        hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+        hardcode_libdir_separator=:
+        hardcode_direct=yes
+        # hardcode_minus_L: Not really in the search PATH,
+        # but as the default location of the library.
+        hardcode_minus_L=yes
+      fi
+      ;;
+    hpux11*)
+      if test "$with_gnu_ld" = no; then
+        hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+        hardcode_libdir_separator=:
+        case $host_cpu in
+          hppa*64*|ia64*)
+            hardcode_direct=no
+            ;;
+          *)
+            hardcode_direct=yes
+            # hardcode_minus_L: Not really in the search PATH,
+            # but as the default location of the library.
+            hardcode_minus_L=yes
+            ;;
+        esac
+      fi
+      ;;
+    irix5* | irix6* | nonstopux*)
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    netbsd*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      hardcode_direct=yes
+      ;;
+    newsos6)
+      hardcode_direct=yes
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    *nto* | *qnx*)
+      ;;
+    openbsd*)
+      if test -f /usr/libexec/ld.so; then
+        hardcode_direct=yes
+        if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+          hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+        else
+          case "$host_os" in
+            openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+              hardcode_libdir_flag_spec='-R$libdir'
+              ;;
+            *)
+              hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+              ;;
+          esac
+        fi
+      else
+        ld_shlibs=no
+      fi
+      ;;
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      ;;
+    osf3*)
+      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_separator=:
+      ;;
+    osf4* | osf5*)
+      if test "$GCC" = yes; then
+        hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      else
+        # Both cc and cxx compiler support -rpath directly
+        hardcode_libdir_flag_spec='-rpath $libdir'
+      fi
+      hardcode_libdir_separator=:
+      ;;
+    solaris*)
+      hardcode_libdir_flag_spec='-R$libdir'
+      ;;
+    sunos4*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_direct=yes
+      hardcode_minus_L=yes
+      ;;
+    sysv4)
+      case $host_vendor in
+        sni)
+          hardcode_direct=yes # is this really true???
+          ;;
+        siemens)
+          hardcode_direct=no
+          ;;
+        motorola)
+          hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+          ;;
+      esac
+      ;;
+    sysv4.3*)
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+        ld_shlibs=yes
+      fi
+      ;;
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+      ;;
+    sysv5* | sco3.2v5* | sco5v6*)
+      hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
+      hardcode_libdir_separator=':'
+      ;;
+    uts4*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      ;;
+    *)
+      ld_shlibs=no
+      ;;
+  esac
+fi
+
+# Check dynamic linker characteristics
+# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
+# Unlike libtool.m4, here we don't care about _all_ names of the library, but
+# only about the one the linker finds when passed -lNAME. This is the last
+# element of library_names_spec in libtool.m4, or possibly two of them if the
+# linker has special search rules.
+library_names_spec=      # the last element of library_names_spec in libtool.m4
+libname_spec='lib$name'
+case "$host_os" in
+  aix3*)
+    library_names_spec='$libname.a'
+    ;;
+  aix[4-9]*)
+    library_names_spec='$libname$shrext'
+    ;;
+  amigaos*)
+    case "$host_cpu" in
+      powerpc*)
+        library_names_spec='$libname$shrext' ;;
+      m68k)
+        library_names_spec='$libname.a' ;;
+    esac
+    ;;
+  beos*)
+    library_names_spec='$libname$shrext'
+    ;;
+  bsdi[45]*)
+    library_names_spec='$libname$shrext'
+    ;;
+  cygwin* | mingw* | pw32* | cegcc*)
+    shrext=.dll
+    library_names_spec='$libname.dll.a $libname.lib'
+    ;;
+  darwin* | rhapsody*)
+    shrext=.dylib
+    library_names_spec='$libname$shrext'
+    ;;
+  dgux*)
+    library_names_spec='$libname$shrext'
+    ;;
+  freebsd* | dragonfly*)
+    case "$host_os" in
+      freebsd[123]*)
+        library_names_spec='$libname$shrext$versuffix' ;;
+      *)
+        library_names_spec='$libname$shrext' ;;
+    esac
+    ;;
+  gnu*)
+    library_names_spec='$libname$shrext'
+    ;;
+  haiku*)
+    library_names_spec='$libname$shrext'
+    ;;
+  hpux9* | hpux10* | hpux11*)
+    case $host_cpu in
+      ia64*)
+        shrext=.so
+        ;;
+      hppa*64*)
+        shrext=.sl
+        ;;
+      *)
+        shrext=.sl
+        ;;
+    esac
+    library_names_spec='$libname$shrext'
+    ;;
+  interix[3-9]*)
+    library_names_spec='$libname$shrext'
+    ;;
+  irix5* | irix6* | nonstopux*)
+    library_names_spec='$libname$shrext'
+    case "$host_os" in
+      irix5* | nonstopux*)
+        libsuff= shlibsuff=
+        ;;
+      *)
+        case $LD in
+          *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
+          *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
+          *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
+          *) libsuff= shlibsuff= ;;
+        esac
+        ;;
+    esac
+    ;;
+  linux*oldld* | linux*aout* | linux*coff*)
+    ;;
+  linux* | k*bsd*-gnu | kopensolaris*-gnu)
+    library_names_spec='$libname$shrext'
+    ;;
+  knetbsd*-gnu)
+    library_names_spec='$libname$shrext'
+    ;;
+  netbsd*)
+    library_names_spec='$libname$shrext'
+    ;;
+  newsos6)
+    library_names_spec='$libname$shrext'
+    ;;
+  *nto* | *qnx*)
+    library_names_spec='$libname$shrext'
+    ;;
+  openbsd*)
+    library_names_spec='$libname$shrext$versuffix'
+    ;;
+  os2*)
+    libname_spec='$name'
+    shrext=.dll
+    library_names_spec='$libname.a'
+    ;;
+  osf3* | osf4* | osf5*)
+    library_names_spec='$libname$shrext'
+    ;;
+  rdos*)
+    ;;
+  solaris*)
+    library_names_spec='$libname$shrext'
+    ;;
+  sunos4*)
+    library_names_spec='$libname$shrext$versuffix'
+    ;;
+  sysv4 | sysv4.3*)
+    library_names_spec='$libname$shrext'
+    ;;
+  sysv4*MP*)
+    library_names_spec='$libname$shrext'
+    ;;
+  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+    library_names_spec='$libname$shrext'
+    ;;
+  tpf*)
+    library_names_spec='$libname$shrext'
+    ;;
+  uts4*)
+    library_names_spec='$libname$shrext'
+    ;;
+esac
+
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
+shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
+escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
+escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
+escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
+
+LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
+
+# How to pass a linker flag through the compiler.
+wl="$escaped_wl"
+
+# Static library suffix (normally "a").
+libext="$libext"
+
+# Shared library suffix (normally "so").
+shlibext="$shlibext"
+
+# Format of library name prefix.
+libname_spec="$escaped_libname_spec"
+
+# Library names that the linker finds when passed -lNAME.
+library_names_spec="$escaped_library_names_spec"
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist.
+hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
+
+# Whether we need a single -rpath flag with a separated argument.
+hardcode_libdir_separator="$hardcode_libdir_separator"
+
+# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
+# resulting binary.
+hardcode_direct="$hardcode_direct"
+
+# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
+# resulting binary.
+hardcode_minus_L="$hardcode_minus_L"
+
+EOF

configure.ac

@@ -1,66 +1,65 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ([2.64])
+AC_PREREQ([2.69])
-AC_INIT([shadow], [4.8], [pkg-shadow-devel@lists.alioth.debian.org], [],
+m4_define([libsubid_abi_major], 4)
+m4_define([libsubid_abi_minor], 0)
+m4_define([libsubid_abi_micro], 0)
+m4_define([libsubid_abi], [libsubid_abi_major.libsubid_abi_minor.libsubid_abi_micro])
+AC_INIT([shadow], [4.13], [pkg-shadow-devel@lists.alioth.debian.org], [],
 	[https://github.com/shadow-maint/shadow])
 AM_INIT_AUTOMAKE([1.11 foreign dist-xz])
+AC_CONFIG_MACRO_DIRS([m4])
 AM_SILENT_RULES([yes])
 AC_CONFIG_HEADERS([config.h])
 
+AC_SUBST([LIBSUBID_ABI_MAJOR], [libsubid_abi_major])
+AC_SUBST([LIBSUBID_ABI_MINOR], [libsubid_abi_minor])
+AC_SUBST([LIBSUBID_ABI_MICRO], [libsubid_abi_micro])
+AC_SUBST([LIBSUBID_ABI], [libsubid_abi])
+
 dnl Some hacks...
 test "$prefix" = "NONE" && prefix="/usr"
 test "$prefix" = "/usr" && exec_prefix=""
 
-AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
 
-AM_DISABLE_SHARED
+AC_ENABLE_STATIC
-AM_ENABLE_STATIC
+AC_ENABLE_SHARED
 
 AM_MAINTAINER_MODE
 
 dnl Checks for programs.
 AC_PROG_CC
-AC_ISC_POSIX
 AC_PROG_LN_S
 AC_PROG_YACC
-AM_PROG_LIBTOOL
+LT_INIT
 
 dnl Checks for libraries.
 
 dnl Checks for header files.
-AC_HEADER_DIRENT
-AC_HEADER_STDC
-AC_HEADER_SYS_WAIT
 AC_HEADER_STDBOOL
 
-AC_CHECK_HEADERS(errno.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
+AC_CHECK_HEADERS(crypt.h errno.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
 	utmpx.h termios.h termio.h sgtty.h sys/ioctl.h syslog.h paths.h \
-	utime.h ulimit.h sys/capability.h sys/resource.h gshadow.h lastlog.h \
+	utime.h ulimit.h sys/capability.h sys/random.h sys/resource.h \
-	locale.h rpc/key_prot.h netdb.h acl/libacl.h attr/libattr.h \
+	gshadow.h lastlog.h locale.h rpc/key_prot.h netdb.h acl/libacl.h \
-	attr/error_context.h)
+	attr/libattr.h attr/error_context.h)
 
 dnl shadow now uses the libc's shadow implementation
 AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
 
-AC_CHECK_FUNCS(l64a fchmod fchown fsync futimes getgroups gethostname getspnam \
+AC_CHECK_FUNCS(arc4random_buf l64a fchmod fchown fsync futimes \
-	gettimeofday getusershell getutent initgroups lchown lckpwdf lstat \
+	getentropy getrandom getspnam getusershell \
-	lutimes memcpy memset setgroups sigaction strchr updwtmp updwtmpx innetgr \
+	getutent initgroups lckpwdf lutimes \
-	getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo \
+	setgroups updwtmp updwtmpx innetgr getpwnam_r \
-	ruserok)
+	getpwuid_r getgrnam_r getgrgid_r getspnam_r \
+	memset_s explicit_bzero)
 AC_SYS_LARGEFILE
 
 dnl Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_TYPE_UID_T
-AC_TYPE_OFF_T
-AC_TYPE_PID_T
-AC_TYPE_MODE_T
-AC_HEADER_STAT
-AC_CHECK_MEMBERS([struct stat.st_rdev])
 AC_CHECK_MEMBERS([struct stat.st_atim])
 AC_CHECK_MEMBERS([struct stat.st_atimensec])
 AC_CHECK_MEMBERS([struct stat.st_mtim])
 AC_CHECK_MEMBERS([struct stat.st_mtimensec])
-AC_HEADER_TIME
 AC_STRUCT_TM
 
 AC_CHECK_MEMBERS([struct utmp.ut_type,
@@ -102,9 +101,7 @@ fi
 
 dnl Checks for library functions.
 AC_TYPE_GETGROUPS
-AC_TYPE_SIGNAL
 AC_FUNC_UTIME_NULL
-AC_FUNC_STRFTIME
 AC_REPLACE_FUNCS(mkdir putgrent putpwent putspent rename rmdir)
 AC_REPLACE_FUNCS(sgetgrent sgetpwent sgetspent)
 AC_REPLACE_FUNCS(snprintf strcasecmp strdup strerror strstr)
@@ -201,7 +198,7 @@ if test "$ac_cv_func_ruserok" = "yes"; then
 fi
 
 AC_ARG_ENABLE(shadowgrp,
-	[AC_HELP_STRING([--enable-shadowgrp], [enable shadow group support @<:@default=yes@:>@])],
+	[AS_HELP_STRING([--enable-shadowgrp], [enable shadow group support @<:@default=yes@:>@])],
 	[case "${enableval}" in
 	 yes) enable_shadowgrp="yes" ;;
 	  no) enable_shadowgrp="no" ;;
@@ -211,26 +208,26 @@ AC_ARG_ENABLE(shadowgrp,
 )
 
 AC_ARG_ENABLE(man,
-	[AC_HELP_STRING([--enable-man],
+	[AS_HELP_STRING([--enable-man],
 		[regenerate roff man pages from Docbook @<:@default=no@:>@])],
 	[enable_man="${enableval}"],
 	[enable_man="no"]
 )
 
 AC_ARG_ENABLE(account-tools-setuid,
-	[AC_HELP_STRING([--enable-account-tools-setuid],
+	[AS_HELP_STRING([--enable-account-tools-setuid],
-		[Install the user and group management tools setuid and authenticate the callers. This requires --with-pam.])],
+		[Install the user and group management tools setuid and authenticate the callers. This requires --with-libpam.])],
 	[case "${enableval}" in
 	 yes) enable_acct_tools_setuid="yes" ;;
 	  no) enable_acct_tools_setuid="no" ;;
 	   *) AC_MSG_ERROR(bad value ${enableval} for --enable-account-tools-setuid)
 	   ;;
 	 esac],
-	[enable_acct_tools_setuid="maybe"]
+	[enable_acct_tools_setuid="no"]
 )
 
 AC_ARG_ENABLE(utmpx,
-	[AC_HELP_STRING([--enable-utmpx],
+	[AS_HELP_STRING([--enable-utmpx],
 	                [enable loggin in utmpx / wtmpx @<:@default=no@:>@])],
 	[case "${enableval}" in
 	 yes) enable_utmpx="yes" ;;
@@ -241,62 +238,65 @@ AC_ARG_ENABLE(utmpx,
 )
 
 AC_ARG_ENABLE(subordinate-ids,
-	[AC_HELP_STRING([--enable-subordinate-ids],
+	[AS_HELP_STRING([--enable-subordinate-ids],
 		[support subordinate ids @<:@default=yes@:>@])],
 	[enable_subids="${enableval}"],
 	[enable_subids="maybe"]
 )
 
 AC_ARG_WITH(audit,
-	[AC_HELP_STRING([--with-audit], [use auditing support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-audit], [use auditing support @<:@default=yes if found@:>@])],
 	[with_audit=$withval], [with_audit=maybe])
 AC_ARG_WITH(libpam,
-	[AC_HELP_STRING([--with-libpam], [use libpam for PAM support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-libpam], [use libpam for PAM support @<:@default=yes if found@:>@])],
 	[with_libpam=$withval], [with_libpam=maybe])
 AC_ARG_WITH(btrfs,
-	[AC_HELP_STRING([--with-btrfs], [add BtrFS support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-btrfs], [add BtrFS support @<:@default=yes if found@:>@])],
 	[with_btrfs=$withval], [with_btrfs=maybe])
 AC_ARG_WITH(selinux,
-	[AC_HELP_STRING([--with-selinux], [use SELinux support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-selinux], [use SELinux support @<:@default=yes if found@:>@])],
 	[with_selinux=$withval], [with_selinux=maybe])
 AC_ARG_WITH(acl,
-	[AC_HELP_STRING([--with-acl], [use ACL support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-acl], [use ACL support @<:@default=yes if found@:>@])],
 	[with_acl=$withval], [with_acl=maybe])
 AC_ARG_WITH(attr,
-	[AC_HELP_STRING([--with-attr], [use Extended Attribute support @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-attr], [use Extended Attribute support @<:@default=yes if found@:>@])],
 	[with_attr=$withval], [with_attr=maybe])
 AC_ARG_WITH(skey,
-	[AC_HELP_STRING([--with-skey], [use S/Key support @<:@default=no@:>@])],
+	[AS_HELP_STRING([--with-skey], [use S/Key support @<:@default=no@:>@])],
 	[with_skey=$withval], [with_skey=no])
 AC_ARG_WITH(tcb,
-	[AC_HELP_STRING([--with-tcb], [use tcb support (incomplete) @<:@default=yes if found@:>@])],
+	[AS_HELP_STRING([--with-tcb], [use tcb support (incomplete) @<:@default=yes if found@:>@])],
 	[with_tcb=$withval], [with_tcb=maybe])
 AC_ARG_WITH(libcrack,
-	[AC_HELP_STRING([--with-libcrack], [use libcrack @<:@default=no@:>@])],
+	[AS_HELP_STRING([--with-libcrack], [use libcrack @<:@default=no@:>@])],
 	[with_libcrack=$withval], [with_libcrack=no])
 AC_ARG_WITH(sha-crypt,
-	[AC_HELP_STRING([--with-sha-crypt], [allow the SHA256 and SHA512 password encryption algorithms @<:@default=yes@:>@])],
+	[AS_HELP_STRING([--with-sha-crypt], [allow the SHA256 and SHA512 password encryption algorithms @<:@default=yes@:>@])],
 	[with_sha_crypt=$withval], [with_sha_crypt=yes])
 AC_ARG_WITH(bcrypt,
-	[AC_HELP_STRING([--with-bcrypt], [allow the bcrypt password encryption algorithm @<:@default=no@:>@])],
+	[AS_HELP_STRING([--with-bcrypt], [allow the bcrypt password encryption algorithm @<:@default=no@:>@])],
 	[with_bcrypt=$withval], [with_bcrypt=no])
+AC_ARG_WITH(yescrypt,
+	[AS_HELP_STRING([--with-yescrypt], [allow the yescrypt password encryption algorithm @<:@default=no@:>@])],
+	[with_yescrypt=$withval], [with_yescrypt=no])
 AC_ARG_WITH(nscd,
-	[AC_HELP_STRING([--with-nscd], [enable support for nscd @<:@default=yes@:>@])],
+	[AS_HELP_STRING([--with-nscd], [enable support for nscd @<:@default=yes@:>@])],
 	[with_nscd=$withval], [with_nscd=yes])
 AC_ARG_WITH(sssd,
-	[AC_HELP_STRING([--with-sssd], [enable support for flushing sssd caches @<:@default=yes@:>@])],
+	[AS_HELP_STRING([--with-sssd], [enable support for flushing sssd caches @<:@default=yes@:>@])],
 	[with_sssd=$withval], [with_sssd=yes])
 AC_ARG_WITH(group-name-max-length,
-	[AC_HELP_STRING([--with-group-name-max-length], [set max group name length @<:@default=16@:>@])],
+	[AS_HELP_STRING([--with-group-name-max-length], [set max group name length @<:@default=32@:>@])],
 	[with_group_name_max_length=$withval], [with_group_name_max_length=yes])
 AC_ARG_WITH(su,
-	[AC_HELP_STRING([--with-su], [build and install su program and man page @<:@default=yes@:>@])],
+	[AS_HELP_STRING([--with-su], [build and install su program and man page @<:@default=yes@:>@])],
 	[with_su=$withval], [with_su=yes])
 
 if test "$with_group_name_max_length" = "no" ; then
 	with_group_name_max_length=0
 elif test "$with_group_name_max_length" = "yes" ; then
-	with_group_name_max_length=16
+	with_group_name_max_length=32
 fi
 AC_DEFINE_UNQUOTED(GROUP_NAME_MAX_LENGTH, $with_group_name_max_length, [max group name length])
 AC_SUBST(GROUP_NAME_MAX_LENGTH)
@@ -312,6 +312,11 @@ if test "$with_bcrypt" = "yes"; then
 	AC_DEFINE(USE_BCRYPT, 1, [Define to allow the bcrypt password encryption algorithm])
 fi
 
+AM_CONDITIONAL(USE_YESCRYPT, test "x$with_yescrypt" = "xyes")
+if test "$with_yescrypt" = "yes"; then
+	AC_DEFINE(USE_YESCRYPT, 1, [Define to allow the yescrypt password encryption algorithm])
+fi
+
 if test "$with_nscd" = "yes"; then
 	AC_CHECK_FUNC(posix_spawn,
 	              [AC_DEFINE(USE_NSCD, 1, [Define to support flushing of nscd caches])],
@@ -324,7 +329,7 @@ if test "$with_sssd" = "yes"; then
 	              [AC_MSG_ERROR([posix_spawn is needed for sssd support])])
 fi
 
-AS_IF([test "$with_su" != "no"], AC_DEFINE(WITH_SU, 1, [Build with su])])
+AS_IF([test "$with_su" != "no"], AC_DEFINE(WITH_SU, 1, [Build with su]))
 AM_CONDITIONAL([WITH_SU], [test "x$with_su" != "xno"])
 
 dnl Check for some functions in libc first, only if not found check for
@@ -392,6 +397,10 @@ AC_SUBST(LIBCRYPT)
 AC_CHECK_LIB(crypt, crypt, [LIBCRYPT=-lcrypt],
 	[AC_MSG_ERROR([crypt() not found])])
 
+AC_SUBST(LIYESCRYPT)
+AC_CHECK_LIB(crypt, crypt, [LIYESCRYPT=-lcrypt],
+	[AC_MSG_ERROR([crypt() not found])])
+
 AC_SUBST(LIBACL)
 if test "$with_acl" != "no"; then
 	AC_CHECK_HEADERS(acl/libacl.h attr/error_context.h, [acl_header="yes"], [acl_header="no"])
@@ -647,7 +656,7 @@ AM_CONDITIONAL(ACCT_TOOLS_SETUID, test "x$enable_acct_tools_setuid" = "xyes")
 
 
 AC_ARG_WITH(fcaps,
-	[AC_HELP_STRING([--with-fcaps], [use file capabilities instead of suid binaries for newuidmap/newgidmap @<:@default=no@:>@])],
+	[AS_HELP_STRING([--with-fcaps], [use file capabilities instead of suid binaries for newuidmap/newgidmap @<:@default=no@:>@])],
 	[with_fcaps=$withval], [with_fcaps=no])
 AM_CONDITIONAL(FCAPS, test "x$with_fcaps" = "xyes")
 
@@ -665,12 +674,12 @@ if test "$with_skey" = "yes"; then
 	AC_CHECK_LIB(skey, skeychallenge, [LIBSKEY=-lskey],
 		[AC_MSG_ERROR([liskey missing. You can download S/Key source code from http://rsync1.it.gentoo.org/gentoo/distfiles/skey-1.1.5.tar.bz2])])
 	AC_DEFINE(SKEY, 1, [Define to support S/Key logins.])
-	AC_TRY_COMPILE([
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 		#include <stdio.h>
 		#include <skey.h>
-	],[
+	]], [[
 		skeychallenge((void*)0, (void*)0, (void*)0, 0);
-	],[AC_DEFINE(SKEY_BSD_STYLE, 1, [Define to support newer BSD S/Key API])])
+	]])],[AC_DEFINE(SKEY_BSD_STYLE, 1, [Define to support newer BSD S/Key API])],[])
 fi
 
 if test "$enable_utmpx" = "yes"; then
@@ -684,7 +693,7 @@ fi
 
 AC_DEFINE_UNQUOTED(SHELL, ["$SHELL"], [The default shell.])
 
-AM_GNU_GETTEXT_VERSION(0.16)
+AM_GNU_GETTEXT_VERSION([0.19])
 AM_GNU_GETTEXT([external], [need-ngettext])
 AM_CONDITIONAL(USE_NLS, test "x$USE_NLS" = "xyes")
 
@@ -711,10 +720,13 @@ AC_CONFIG_FILES([
 	man/ru/Makefile
 	man/sv/Makefile
 	man/tr/Makefile
+	man/uk/Makefile
 	man/zh_CN/Makefile
 	man/zh_TW/Makefile
 	libmisc/Makefile
 	lib/Makefile
+	libsubid/Makefile
+	libsubid/subid.h
 	src/Makefile
 	contrib/Makefile
 	etc/Makefile
@@ -741,6 +753,7 @@ echo "	shadow group support:		$enable_shadowgrp"
 echo "	S/Key support:			$with_skey"
 echo "	SHA passwords encryption:	$with_sha_crypt"
 echo "	bcrypt passwords encryption:	$with_bcrypt"
+echo "	yescrypt passwords encryption:	$with_yescrypt"
 echo "	nscd support:			$with_nscd"
 echo "	sssd support:			$with_sssd"
 echo "	subordinate IDs support:	$enable_subids"

contrib/Makefile.am

@@ -1,6 +1,6 @@
 # This is a dummy Makefile.am to get automake work flawlessly,
 # and also cooperate to make a distribution for `make dist'
 
-EXTRA_DIST = README adduser.c adduser-old.c adduser.sh adduser2.sh \
+EXTRA_DIST = README adduser.c adduser.sh adduser2.sh \
  atudel groupmems.shar pwdauth.c shadow-anonftp.patch \
  udbachk.tgz

contrib/Makefile.in

@@ -0,0 +1,496 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
+# and also cooperate to make a distribution for `make dist'
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
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contrib/adduser-old.c

@@ -1,300 +0,0 @@
-/****
-** 03/17/96
-** hacked a bit more, removed unused code, cleaned up for gcc -Wall.
-** --marekm
-**
-** 02/26/96
-** modified to call shadow utils (useradd,chage,passwd) on shadowed 
-** systems - Cristian Gafton, gafton@sorosis.ro
-**
-** 6/27/95
-** shadow-adduser 1.4:
-**
-** now it copies the /etc/skel dir into the person's dir, 
-** makes the mail folders, changed some defaults and made a 'make 
-** install' just for the hell of it.
-**
-** Greg Gallagher
-** CIN.Net
-**
-** 1/28/95
-** shadow-adduser 1.3:
-** 
-** Basically a bug-fix on my additions in 1.2.  Thanks to Terry Stewart 
-** (stew@texas.net) for pointing out one of the many idiotic bugs I introduced.
-** It was such a stupid bug that I would have never seen it myself.
-**
-**                                Brandon
-*****
-** 01/27/95
-** 
-** shadow-adduser 1.2:
-** I took the C source from adduser-shadow (credits are below) and made
-** it a little more worthwhile.  Many small changes... Here's
-** the ones I can remember:
-** 
-** Removed support for non-shadowed systems (if you don't have shadow,
-**     use the original adduser, don't get this shadow version!)
-** Added support for the correct /etc/shadow fields (Min days before
-**     password change, max days before password change, Warning days,
-**     and how many days from expiry date does the account go invalid)
-**     The previous version just left all of those fields blank.
-**     There is still one field left (expiry date for the account, period)
-**     which I have left blank because I do not use it and didn't want to
-**     spend any more time on this.  I'm sure someone will put it in and
-**     tack another plethora of credits on here. :)
-** Added in the password date field, which should always reflect the last
-**     date the password was changed, for expiry purposes.  "passwd" always
-**     updates this field, so the adduser program should set it up right
-**     initially (or a user could keep thier initial password forever ;)
-**     The number is in days since Jan 1st, 1970.
-**
-**                       Have fun with it, and someone please make
-**                       a real version(this is still just a hack)
-**                       for us all to use (and Email it to me???)
-**
-**                               Brandon
-**                                  photon@usis.com
-**
-***** 
-** adduser 1.0: add a new user account (For systems not using shadow)
-** With a nice little interface and a will to do all the work for you.
-**
-** Craig Hagan
-** hagan@opine.cs.umass.edu
-**
-** Modified to really work, look clean, and find unused uid by Chris Cappuccio
-** chris@slinky.cs.umass.edu
-**
-*****
-**
-** 01/19/95
-**
-** FURTHER modifications to enable shadow passwd support (kludged, but
-** no more so than the original)  by Dan Crowson - dcrowson@mo.net
-**
-** Search on DAN for all changes...
-**
-*****
-**
-** cc -O -o adduser adduser.c
-** Use gcc if you have it... (political reasons beyond my control) (chris)
-**
-** I've gotten this program to work with success under Linux (without
-** shadow) and SunOS 4.1.3. I would assume it should work pretty well
-** on any system that uses no shadow. (chris)
-**
-** If you have no crypt() then try
-** cc -DNO_CRYPT -O -o adduser adduser.c xfdes.c
-** I'm not sure how login operates with no crypt()... I guess
-** the same way we're doing it here.
-*/
-
-#include <pwd.h>
-#include <grp.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <time.h>
-#include <sys/types.h>
-#include <sys/timeb.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-
-#define DEFAULT_SHELL	"/bin/bash"  /* because BASH is your friend */
-#define DEFAULT_HOME	"/home"
-#define USERADD_PATH	"/usr/sbin/useradd"
-#define CHAGE_PATH	"/usr/sbin/chage"
-#define PASSWD_PATH	"/usr/bin/passwd"
-#define DEFAULT_GROUP	100
-
-#define DEFAULT_MAX_PASS 60
-#define DEFAULT_WARN_PASS 10
-/* if you use this feature, you will get a lot of complaints from users
-   who rarely use their accounts :)  (something like 3 months would be
-   more reasonable)  --marekm */
-#define DEFAULT_USER_DIE /* 10 */ 0
-
-void main()
-{
-	char foo[32];			
-	char uname[9],person[32],dir[32],shell[32];
-	unsigned int group,min_pass,max_pass,warn_pass,user_die;
-	/* the group and uid of the new user */
-	int bad=0,done=0,correct=0,gets_warning=0;
-	char cmd[255];
-	struct group *grp;
-	
-	/* flags, in order:
-	* bad to see if the username is in /etc/passwd, or if strange stuff has
-	* been typed if the user might be put in group 0
-	* done allows the program to exit when a user has been added
-	* correct loops until a password is found that isn't in /etc/passwd
-	* gets_warning allows the fflush to be skipped for the first gets
-	* so that output is still legible
-	*/
-
-	/* The real program starts HERE! */
-  
-	if(geteuid()!=0)
-	{
-		printf("It seems you don't have access to add a new user.  Try\n");
-		printf("logging in as root or su root to gain super-user access.\n");
-		exit(1);
-	}
-  
-	/* Sanity checks
-	*/
-	
-	if (!(grp=getgrgid(DEFAULT_GROUP))){
-		printf("Error: the default group %d does not exist on this system!\n",
-				DEFAULT_GROUP);
-		printf("adduser must be recompiled.\n");
-		exit(1);
-	}; 
- 
-	while(!correct) {		/* loop until a "good" uname is chosen */
-		while(!done) {
-			printf("\nLogin to add (^C to quit): ");
-			if(gets_warning)	/* if the warning was already shown */
-				fflush(stdout);	/* fflush stdout, otherwise set the flag */
-			else
-				gets_warning=1;
-
-			gets(uname);
-			if(!strlen(uname)) {
-				printf("Empty input.\n");
-				done=0;
-				continue;
-			};
-
-			/* what I saw here before made me think maybe I was running DOS */
-			/* might this be a solution? (chris) */
-			if (getpwnam(uname) != NULL) {
-				printf("That name is in use, choose another.\n");
-				done=0;
-			} else
-				done=1;
-		}; /* done, we have a valid new user name */
-		
-		/* all set, get the rest of the stuff */
-		printf("\nEditing information for new user [%s]\n",uname);
-  
-		printf("\nFull Name [%s]: ",uname);
-		gets(person);
-		if (!strlen(person)) {
-			bzero(person,sizeof(person));
-			strcpy(person,uname);
-		};
-      
-		do {
-			bad=0; 
-			printf("GID [%d]: ",DEFAULT_GROUP);
-			gets(foo);
-			if (!strlen(foo))
-				group=DEFAULT_GROUP;
-			else
-				if (isdigit (*foo)) {
-					group = atoi(foo);
-					if (! (grp = getgrgid (group))) {
-						printf("unknown gid %s\n",foo);
-						group=DEFAULT_GROUP;
-						bad=1;
-					};
-			} else
-				if ((grp = getgrnam (foo)))
-					group = grp->gr_gid;
-				else {
-					printf("unknown group %s\n",foo);
-					group=DEFAULT_GROUP;
-					bad=1;
-				}
-			if (group==0){	/* You're not allowed to make root group users! */
-				printf("Creation of root group users not allowed (must be done by hand)\n");
-				group=DEFAULT_GROUP;
-				bad=1;
-			};
-		} while(bad);
-
-
-		fflush(stdin);
-      
-		printf("\nIf home dir ends with a / then [%s] will be appended to it\n",uname);
-		printf("Home Directory [%s/%s]: ",DEFAULT_HOME,uname);
-		fflush(stdout);
-		gets(dir);
-		if (!strlen(dir)) { /* hit return */
-			sprintf(dir,"%s/%s",DEFAULT_HOME,uname);
-			fflush(stdin);
-		} else
-			if (dir[strlen(dir)-1]=='/')
-				sprintf(dir+strlen(dir),"%s",uname);
-
-		printf("\nShell [%s]: ",DEFAULT_SHELL);
-		fflush(stdout);
-		gets(shell);
-		if (!strlen(shell))
-			sprintf(shell,"%s",DEFAULT_SHELL);
-      
-		printf("\nMin. Password Change Days [0]: ");
-		gets(foo);
-		min_pass=atoi(foo);
-            
-		printf("Max. Password Change Days [%d]: ",DEFAULT_MAX_PASS);
-		gets(foo);
-		if (strlen(foo) > 1)
-			max_pass = atoi(foo);
-		else
-			max_pass = DEFAULT_MAX_PASS;
-            
-		printf("Password Warning Days [%d]: ",DEFAULT_WARN_PASS);
-		gets(foo);
-		warn_pass = atoi(foo);
-		if (warn_pass==0)
-			warn_pass = DEFAULT_WARN_PASS;
-            
-		printf("Days after Password Expiry for Account Locking [%d]: ",DEFAULT_USER_DIE);
-		gets(foo);
-		user_die = atoi(foo);
-		if (user_die == 0)
-			user_die = DEFAULT_USER_DIE;
-      
-		printf("\nInformation for new user [%s] [%s]:\n",uname,person);
-		printf("Home directory: [%s] Shell: [%s]\n",dir,shell);
-		printf("GID: [%d]\n",group);
-		printf("MinPass: [%d] MaxPass: [%d] WarnPass: [%d] UserExpire: [%d]\n",
-				min_pass,max_pass,warn_pass,user_die);
-		printf("\nIs this correct? [y/N]: ");
-		fflush(stdout);
-		gets(foo);
-
-		done=bad=correct=(foo[0]=='y'||foo[0]=='Y');
-
-		if(bad!=1)
-			printf("\nUser [%s] not added\n",uname);
-    }
-
-	bzero(cmd,sizeof(cmd));
-	sprintf(cmd,"%s -g %d -d %s -s %s -c \"%s\" -m -k /etc/skel %s",
-			USERADD_PATH,group,dir,shell,person,uname);
-	printf("Calling useradd to add new user:\n%s\n",cmd);  
-	if(system(cmd)){
-		printf("User add failed!\n");
-		exit(errno);
-	};
-	bzero(cmd,sizeof(cmd));
-	sprintf(cmd,"%s -m %d -M %d -W %d -I %d %s", CHAGE_PATH,
-			min_pass,max_pass,warn_pass,user_die,uname);
-	printf("%s\n",cmd);
-	if(system(cmd)){
-		printf("There was an error setting password expire values\n");
-		exit(errno);
-	};
-	bzero(cmd,sizeof(cmd));
-	sprintf(cmd,"%s %s",PASSWD_PATH,uname);
-	system(cmd);
-	printf("\nDone.\n");
-}
-

contrib/atudel

@@ -1,85 +0,0 @@
-#!/usr/bin/perl
-#
-# Copyright (c) 1996 Brian R. Gaeke
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-# 1. Redistributions of source code must retain the above copyright
-#    notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-#    notice, this list of conditions and the following disclaimer in the
-#    documentation and/or other materials provided with the distribution.
-# 3. All advertising materials mentioning features or use of this software
-#    must display the following acknowledgement:
-#    This product includes software developed by Brian R. Gaeke.
-# 4. The name of the author, Brian R. Gaeke, may not be used to endorse
-#    or promote products derived from this software without specific
-#    prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY BRIAN R. GAEKE ``AS IS'' AND ANY EXPRESS
-# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED.  IN NO EVENT SHALL BRIAN R. GAEKE BE LIABLE FOR ANY DIRECT,
-# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
-# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
-#
-# Additionally:
-#
-# This software is provided without support and without any obligation
-# on the part of Brian R. Gaeke to assist in its use, correction,
-# modification or enhancement.
-#
-#######################################################################
-#
-# this is atudel, version 2, by Brian R. Gaeke <brg@dgate.org>
-#
-
-require "getopts.pl";
-&Getopts('v');
-$username = shift(@ARGV);
-&usage unless $username;
-
-sub usage
-{
-	print STDERR "atudel - remove all at jobs owned by a user\n";
-	print STDERR "usage: $0 [-v] username\n";
-	exit(1);
-}
-
-# odd. unless getpwnam($uname) doesn't seem to work for $uname eq "root" on
-# my linux system. but this does.
-die "user $username does not exist; stopping"
-	unless defined(getpwnam($username));
-
-print "searching for at jobs owned by user $username ..." if $opt_v;
-
-chdir "/var/spool/atjobs" ||
-	die "can't chdir to /var/spool/atjobs: $!\nstopping";
-opendir(DIR,".") || die "can't opendir(/var/spool/atjobs): $!\nstopping";
-@files = grep(!/^\./,grep(-f,readdir(DIR)));
-closedir DIR;
-
-foreach $x (@files)
-{
-	$owner = (getpwuid((stat($x))[4]))[0];
-	push(@nuke_bait,$x) if $owner eq $username;
-}
-
-if (@nuke_bait)
-{
-	print "removed jobIDs: @{nuke_bait}.\n" if $opt_v;
-	unlink @nuke_bait;
-}
-elsif ($opt_v)
-{
-	print "\n";
-}
-
-exit 0;

contrib/groupmems.shar

@@ -76,36 +76,9 @@ else
   $echo 'x -' extracting 'Makefile' '(text)'
   sed 's/^X//' << 'SHAR_EOF' > 'Makefile' &&
 /*
-# Copyright 2000, International Business Machines, Inc.
+# SPDX-FileCopyrightText: 2000, International Business Machines, Inc.
-# All rights reserved.
+# SPDX-FileCopyrightText: 2000, George Kraft IV, gk4@us.ibm.com
-#
+# SPDX-License-Identifier: BSD-3-Clause
-# original author: George Kraft IV, gk4@us.ibm.com
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-#    notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-#    notice, this list of conditions and the following disclaimer in the
-#    documentation and/or other materials provided with the distribution.
-# 3. Neither the name of International Business Machines, Inc., nor the 
-#    names of its contributors may be used to endorse or promote products 
-#    derived from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY INTERNATIONAL BUSINESS MACHINES, INC. AND
-# CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
-# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
-# FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL 
-# INTERNATIONAL BUSINESS MACHINES, INC. OR CONTRIBUTORS BE LIABLE
-# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-# SUCH DAMAGE.
 # 
 X
 all: groupmems
@@ -143,36 +116,9 @@ else
   $echo 'x -' extracting 'groupmems.c' '(text)'
   sed 's/^X//' << 'SHAR_EOF' > 'groupmems.c' &&
 /*
-X * Copyright 2000, International Business Machines, Inc.
+X * SPDX-FileCopyrightText: 2000, International Business Machines, Inc.
-X * All rights reserved.
+X * SPDX-FileCopyrightText: 2000, George Kraft IV, gk4@us.ibm.com
-X *
+X * SPDX-License-Identifier: BSD-3-Clause
-X * original author: George Kraft IV, gk4@us.ibm.com
-X *
-X * Redistribution and use in source and binary forms, with or without
-X * modification, are permitted provided that the following conditions
-X * are met:
-X *
-X * 1. Redistributions of source code must retain the above copyright
-X *    notice, this list of conditions and the following disclaimer.
-X * 2. Redistributions in binary form must reproduce the above copyright
-X *    notice, this list of conditions and the following disclaimer in the
-X *    documentation and/or other materials provided with the distribution.
-X * 3. Neither the name of International Business Machines, Inc., nor the 
-X *    names of its contributors may be used to endorse or promote products 
-X *    derived from this software without specific prior written permission.
-X *
-X * THIS SOFTWARE IS PROVIDED BY INTERNATIONAL BUSINESS MACHINES, INC. AND
-X * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
-X * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
-X * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL 
-X * INTERNATIONAL BUSINESS MACHINES, INC. OR CONTRIBUTORS BE LIABLE
-X * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-X * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-X * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-X * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-X * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-X * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-X * SUCH DAMAGE.
 X */
 /*
 **
@@ -436,36 +382,9 @@ else
   $echo 'x -' extracting 'groupmems.8' '(text)'
   sed 's/^X//' << 'SHAR_EOF' > 'groupmems.8' &&
 X.\"
-X.\" Copyright 2000, International Business Machines, Inc.
+X.\" SPDX-FileCopyrightText: 2000, International Business Machines, Inc.
-X.\" All rights reserved.
+X.\" SPDX-FileCopyrightText: 2000, George Kraft IV, gk4@us.ibm.com
-X.\"
+X.\" SPDX-License-Identifier: BSD-3-Clause
-X.\" original author: George Kraft IV, gk4@us.ibm.com
-X.\"
-X.\" Redistribution and use in source and binary forms, with or without
-X.\" modification, are permitted provided that the following conditions
-X.\" are met:
-X.\"
-X.\" 1. Redistributions of source code must retain the above copyright
-X.\"    notice, this list of conditions and the following disclaimer.
-X.\" 2. Redistributions in binary form must reproduce the above copyright
-X.\"    notice, this list of conditions and the following disclaimer in the
-X.\"    documentation and/or other materials provided with the distribution.
-X.\" 3. Neither the name of International Business Machines, Inc., nor the 
-X.\"    names of its contributors may be used to endorse or promote products 
-X.\"    derived from this software without specific prior written permission.
-X.\"
-X.\" THIS SOFTWARE IS PROVIDED BY INTERNATIONAL BUSINESS MACHINES, INC. AND
-X.\" CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
-X.\" BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
-X.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL 
-X.\" INTERNATIONAL BUSINESS MACHINES, INC. OR CONTRIBUTORS BE LIABLE
-X.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-X.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-X.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-X.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-X.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-X.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-X.\" SUCH DAMAGE.
 X.\"
 X.\" $Id$
 X.\"

depcomp

@@ -0,0 +1,791 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2018-03-07.03; # UTC
+
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputting dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+## Some versions of gcc put a space before the ':'.  On the theory
+## that the space means something, we add a space to the output as
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like '#:fec' to the end of the
+    # dependency line.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
+    echo >> "$depfile"
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  set_dir_from "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  set_dir_from  "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
+    sed -ne '2,${
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for ':'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+  "$@" $dashmflag |
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+        set fnord "$@"
+        shift
+        shift
+        ;;
+    *)
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

doc/HOWTO

@@ -1311,7 +1311,7 @@
 
   This means that fred's password is valid, it was last changed on
   03/04/96, it can be changed at any time, it expires after 60 days,
-  fred will not be warned, and and the account won't be disabled when
+  fred will not be warned, and the account won't be disabled when
   the password expires.
 
   This simply means that if fred logs in after the password expires, he
@@ -1487,7 +1487,7 @@
 
   If a user logs into a line that is listed in /etc/dialups, and his
   shell is listed in the file /etc/d_passwd he will be allowed access
-  only by suppling the correct password.
+  only by supplying the correct password.
 
   Another useful purpose for using dial-up passwords might be to setup a
   line that only allows a certain type of connect (perhaps a PPP or UUCP

doc/Makefile.in

@@ -0,0 +1,495 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
+# and also cooperate to make a distribution for `make dist'
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = doc
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doc/README.limits

@@ -63,4 +63,3 @@ To completely disable limits for a user, a single dash (-) will do.
 Also, please note that all limit settings are set PER LOGIN.  They are
 not global, nor are they permanent.  Perhaps global limits will come, but
 for now this will have to do ;)
-

doc/WISHLIST

@@ -37,4 +37,3 @@ New ideas to add to this list are welcome, too.  --marekm
   per-user configuration, to be executed with run-parts. Some hooks should
   be executed at package install time for existing users, likewise for
   package removal and possibly modification.  (Debian Bug#36019)
-

docs/index.html

@@ -1,15 +0,0 @@
-<HEAD>
-<title>shadow - Welcome</title>
-</head>
-<body>
-<h2> Welcome!</h2>
-<p> This is the shadow tool suite home page. </p>
-
-<p>
-You can find releases <a href="https://github.com/shadow-maint/shadow/releases">here</a>.
-</p>
-
-<p>
-Raise issues, request features, and report bugs <a href="https://github.com/shadow-maint/shadow/issues">here</a>.
-</p>
-</body>

etc/Makefile.am

@@ -4,8 +4,7 @@
 sysconf_DATA = login.defs
 
 defaultdir = $(sysconfdir)/default
-default_DATA = \
+default_DATA =
-	useradd
 
 nonpam_files = \
 	limits \

etc/Makefile.in

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+	for dir in "$(DESTDIR)$(defaultdir)" "$(DESTDIR)$(nonpamdir)" "$(DESTDIR)$(sysconfdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am: install-defaultDATA install-nonpamDATA
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am: install-sysconfDATA
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-defaultDATA uninstall-nonpamDATA \
+	uninstall-sysconfDATA
+
+.MAKE: $(am__recursive_targets) install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-am clean clean-generic clean-libtool cscopelist-am ctags \
+	ctags-am distclean distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am \
+	install-defaultDATA install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-nonpamDATA install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	install-sysconfDATA installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+	ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-defaultDATA uninstall-nonpamDATA \
+	uninstall-sysconfDATA
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

etc/login.defs

@@ -195,12 +195,17 @@ KILLCHAR	025
 # Default initial "umask" value used by login(1) on non-PAM enabled systems.
 # Default "umask" value for pam_umask(8) on PAM enabled systems.
 # UMASK is also used by useradd(8) and newusers(8) to set the mode for new
-# home directories.
+# home directories if HOME_MODE is not set.
 # 022 is the default value, but 027, or even 077, could be considered
 # for increased privacy. There is no One True Answer here: each sysadmin
 # must make up their mind.
 UMASK		022
 
+# HOME_MODE is used by useradd(8) and newusers(8) to set the mode for new
+# home directories.
+# If HOME_MODE is not set, the value of UMASK is used to create the mode.
+#HOME_MODE	0700
+
 #
 # Password aging controls:
 #
@@ -321,7 +326,9 @@ CHFN_RESTRICT		rwh
 # If set to SHA256, SHA256-based algorithm will be used for encrypting password
 # If set to SHA512, SHA512-based algorithm will be used for encrypting password
 # If set to BCRYPT, BCRYPT-based algorithm will be used for encrypting password
+# If set to YESCRYPT, YESCRYPT-based algorithm will be used for encrypting password
 # If set to DES, DES-based algorithm will be used for encrypting password (default)
+# MD5 and DES should not be used for new hashes, see crypt(5) for recommendations.
 # Overrides the MD5_CRYPT_ENAB option
 #
 # Note: If you use PAM, it is recommended to use a value consistent with
@@ -337,7 +344,8 @@ CHFN_RESTRICT		rwh
 # However, more CPU resources will be needed to authenticate users if
 # this value is increased.
 #
-# If not specified, the libc will choose the default number of rounds (5000).
+# If not specified, the libc will choose the default number of rounds (5000),
+# which is orders of magnitude too low for modern hardware.
 # The values must be within the 1000-999999999 range.
 # If only one of the MIN or MAX values is set, then this value will be used.
 # If MIN > MAX, the highest value will be used.
@@ -360,6 +368,19 @@ CHFN_RESTRICT		rwh
 #BCRYPT_MIN_ROUNDS 13
 #BCRYPT_MAX_ROUNDS 13
 
+#
+# Only works if ENCRYPT_METHOD is set to YESCRYPT.
+#
+# Define the YESCRYPT cost factor.
+# With a higher cost factor, it is more difficult to brute-force the password.
+# However, more CPU time and more memory will be needed to authenticate users
+# if this value is increased.
+#
+# If not specified, a cost factor of 5 will be used.
+# The value must be within the 1-11 range.
+#
+#YESCRYPT_COST_FACTOR 5
+
 #
 # List of groups to add to the user's supplementary group set
 # when logging in from the console (as determined by the CONSOLE
@@ -377,6 +398,14 @@ CHFN_RESTRICT		rwh
 #
 DEFAULT_HOME	yes
 
+#
+# The pwck(8) utility emits a warning for any system account with a home
+# directory that does not exist.  Some system accounts intentionally do
+# not have a home directory.  Such accounts may have this string as
+# their home directory in /etc/passwd to avoid a spurious warning.
+#
+NONEXISTENT	/nonexistent
+
 #
 # If this file exists and is readable, login environment will be
 # read from it.  Every line should be in the form name=value.
@@ -423,3 +452,27 @@ USERGROUPS_ENAB yes
 # missing.
 #
 #FORCE_SHADOW    yes
+
+#
+# Allow newuidmap and newgidmap when running under an alternative
+# primary group.
+#
+#GRANT_AUX_GROUP_SUBIDS yes
+
+#
+# Prevents an empty password field to be interpreted as "no authentication
+# required".
+# Set to "yes" to prevent for all accounts
+# Set to "superuser" to prevent for UID 0 / root (default)
+# Set to "no" to not prevent for any account (dangerous, historical default)
+PREVENT_NO_AUTH superuser
+
+#
+# Select the HMAC cryptography algorithm.
+# Used in pam_timestamp module to calculate the keyed-hash message
+# authentication code.
+#
+# Note: It is recommended to check hmac(3) to see the possible algorithms
+# that are available in your system.
+#
+#HMAC_CRYPTO_ALGO SHA512

etc/pam.d/Makefile.in

@@ -0,0 +1,564 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# This is a dummy Makefile.am to get automake work flawlessly,
+# and also cooperate to make a distribution for `make dist'
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
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+         $(am__cd) "$$dir" && rm -f $$files; }; \
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+LIBATTR = @LIBATTR@
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+top_srcdir = @top_srcdir@
+pamd_files = chfn chsh groupmems login passwd $(am__append_2)
+pamd_acct_tools_files = \
+	chage \
+	chgpasswd \
+	chpasswd \
+	groupadd \
+	groupdel \
+	groupmod \
+	newusers \
+	useradd \
+	userdel \
+	usermod
+
+@USE_PAM_TRUE@pamddir = $(sysconfdir)/pam.d
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+EXTRA_DIST = $(pamd_files) $(pamd_acct_tools_files)
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign etc/pam.d/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign etc/pam.d/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-pamdDATA: $(pamd_DATA)
+	@$(NORMAL_INSTALL)
+	@list='$(pamd_DATA)'; test -n "$(pamddir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pamddir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pamddir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(pamddir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(pamddir)" || exit $$?; \
+	done
+
+uninstall-pamdDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pamd_DATA)'; test -n "$(pamddir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(pamddir)'; $(am__uninstall_files_from_dir)
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(pamddir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pamdDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pamdDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pamdDATA install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+	ps ps-am tags-am uninstall uninstall-am uninstall-pamdDATA
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

etc/pam.d/login

@@ -4,8 +4,8 @@ auth		include		system-auth
 account		required	pam_nologin.so
 account		include		system-auth
 password	include		system-auth
-session		required	pam_selinux.so close
+session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
 session		include		system-auth
 session		required	pam_loginuid.so
 session		optional	pam_console.so
-session		required	pam_selinux.so open
+session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open

etc/pam.d/su

@@ -7,7 +7,7 @@ auth		required	pam_wheel.so use_uid
 auth		include		system-auth
 account		include		system-auth
 password	include		system-auth
-session		required	pam_selinux.so close
+session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
 session		include		system-auth
-session		required	pam_selinux.so open multiple
+session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open
 session		optional	pam_xauth.so

etc/useradd

@@ -1,8 +0,0 @@
-# useradd defaults file
-GROUP=1000
-HOME=/home
-INACTIVE=-1
-EXPIRE=
-SHELL=/bin/bash
-SKEL=/etc/skel
-CREATE_MAIL_SPOOL=yes

install-sh

@@ -0,0 +1,541 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2020-11-14.01; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+tab='	'
+nl='
+'
+IFS=" $tab$nl"
+
+# Set DOITPROG to "echo" to test this script.
+
+doit=${DOITPROG-}
+doit_exec=${doit:-exec}
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+# Create dirs (including intermediate dirs) using mode 755.
+# This is like GNU 'install' as of coreutils 8.32 (2020).
+mkdir_umask=22
+
+backupsuffix=
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+is_target_a_directory=possibly
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -p            pass -p to $cpprog.
+  -s            $stripprog installed files.
+  -S SUFFIX     attempt to back up existing files, with suffix SUFFIX.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+
+By default, rm is invoked with -f; when overridden with RMPROG,
+it's up to you to specify -f if you want it.
+
+If -S is not specified, no backups are attempted.
+
+Email bug reports to bug-automake@gnu.org.
+Automake home page: https://www.gnu.org/software/automake/
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+        shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+        case $mode in
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
+            echo "$0: invalid mode: $mode" >&2
+            exit 1;;
+        esac
+        shift;;
+
+    -o) chowncmd="$chownprog $2"
+        shift;;
+
+    -p) cpprog="$cpprog -p";;
+
+    -s) stripcmd=$stripprog;;
+
+    -S) backupsuffix="$2"
+        shift;;
+
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
+        shift;;
+
+    -T) is_target_a_directory=never;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --) shift
+        break;;
+
+    -*) echo "$0: invalid option: $1" >&2
+        exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call 'install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+        u_plus_rw=
+      else
+        u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names problematic for 'test' and other utilities.
+  case $src in
+    -* | [=\(\)!]) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+    # Don't chown directories that already exist.
+    if test $dstdir_status = 0; then
+      chowncmd=""
+    fi
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+    dst=$dst_arg
+
+    # If destination is a directory, append the input filename.
+    if test -d "$dst"; then
+      if test "$is_target_a_directory" = never; then
+        echo "$0: $dst_arg: Is a directory" >&2
+        exit 1
+      fi
+      dstdir=$dst
+      dstbase=`basename "$src"`
+      case $dst in
+	*/) dst=$dst$dstbase;;
+	*)  dst=$dst/$dstbase;;
+      esac
+      dstdir_status=0
+    else
+      dstdir=`dirname "$dst"`
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+        # With -d, create the new directory with the user-specified mode.
+        # Otherwise, rely on $mkdir_umask.
+        if test -n "$dir_arg"; then
+          mkdir_mode=-m$mode
+        else
+          mkdir_mode=
+        fi
+
+        posix_mkdir=false
+	# The $RANDOM variable is not portable (e.g., dash).  Use it
+	# here however when possible just to lower collision chance.
+	tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
+	trap '
+	  ret=$?
+	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
+	  exit $ret
+	' 0
+
+	# Because "mkdir -p" follows existing symlinks and we likely work
+	# directly in world-writeable /tmp, make sure that the '$tmpdir'
+	# directory is successfully created first before we actually test
+	# 'mkdir -p'.
+	if (umask $mkdir_umask &&
+	    $mkdirprog $mkdir_mode "$tmpdir" &&
+	    exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
+	then
+	  if test -z "$dir_arg" || {
+	       # Check for POSIX incompatibilities with -m.
+	       # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+	       # other-writable bit of parent directory when it shouldn't.
+	       # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+	       test_tmpdir="$tmpdir/a"
+	       ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
+	       case $ls_ld_tmpdir in
+		 d????-?r-*) different_mode=700;;
+		 d????-?--*) different_mode=755;;
+		 *) false;;
+	       esac &&
+	       $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+		 ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
+		 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+	       }
+	     }
+	  then posix_mkdir=:
+	  fi
+	  rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
+	else
+	  # Remove any dirs left behind by ancient mkdir implementations.
+	  rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
+	fi
+	trap '' 0;;
+    esac
+
+    if
+      $posix_mkdir && (
+        umask $mkdir_umask &&
+        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+        /*) prefix='/';;
+        [-=\(\)!]*) prefix='./';;
+        *)  prefix='';;
+      esac
+
+      oIFS=$IFS
+      IFS=/
+      set -f
+      set fnord $dstdir
+      shift
+      set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+        test X"$d" = X && continue
+
+        prefix=$prefix$d
+        if test -d "$prefix"; then
+          prefixes=
+        else
+          if $posix_mkdir; then
+            (umask $mkdir_umask &&
+             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+            # Don't fail if two instances are running concurrently.
+            test -d "$prefix" || exit 1
+          else
+            case $prefix in
+              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+              *) qprefix=$prefix;;
+            esac
+            prefixes="$prefixes '$qprefix'"
+          fi
+        fi
+        prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+        # Don't fail if two instances are running concurrently.
+        (umask $mkdir_umask &&
+         eval "\$doit_exec \$mkdirprog $prefixes") ||
+          test -d "$dstdir" || exit 1
+        obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=${dstdirslash}_inst.$$_
+    rmtmp=${dstdirslash}_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask &&
+     { test -z "$stripcmd" || {
+	 # Create $dsttmp read-write so that cp doesn't create it read-only,
+	 # which would cause strip to fail.
+	 if test -z "$doit"; then
+	   : >"$dsttmp" # No need to fork-exec 'touch'.
+	 else
+	   $doit touch "$dsttmp"
+	 fi
+       }
+     } &&
+     $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
+       set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       set +f &&
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # If $backupsuffix is set, and the file being installed
+      # already exists, attempt a backup.  Don't worry if it fails,
+      # e.g., if mv doesn't support -f.
+      if test -n "$backupsuffix" && test -f "$dst"; then
+        $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
+      fi
+
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+        # Now remove or move aside any old file at destination location.
+        # We try this two ways since rm can't unlink itself on some
+        # systems and the destination file might be busy for other
+        # reasons.  In this case, the final cleanup might fail but the new
+        # file should still install successfully.
+        {
+          test ! -f "$dst" ||
+          $doit $rmcmd "$dst" 2>/dev/null ||
+          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+            { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
+          } ||
+          { echo "$0: cannot unlink or rename $dst" >&2
+            (exit 1); exit 1
+          }
+        } &&
+
+        # Now rename the file to the real destination.
+        $doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:

lib/Makefile.am

@@ -5,12 +5,13 @@ DEFS =
 
 noinst_LTLIBRARIES = libshadow.la
 
-libshadow_la_LDFLAGS = -version-info 0:0:0
 libshadow_la_CPPFLAGS = $(ECONF_CPPFLAGS)
 if HAVE_VENDORDIR
 libshadow_la_CPPFLAGS += -DVENDORDIR=\"$(VENDORDIR)\"
 endif
 
+libshadow_la_CPPFLAGS += -I$(top_srcdir)
+
 libshadow_la_SOURCES = \
 	commonio.c \
 	commonio.h \
@@ -32,8 +33,12 @@ libshadow_la_SOURCES = \
 	groupio.h \
 	gshadow.c \
 	lockpw.c \
+	nss.c \
 	nscd.c \
 	nscd.h \
+	shadowlog.c \
+	shadowlog.h \
+	shadowlog_internal.h \
 	sssd.c \
 	sssd.h \
 	pam_defs.h \
@@ -45,6 +50,8 @@ libshadow_la_SOURCES = \
 	pwio.c \
 	pwio.h \
 	pwmem.c \
+	run_part.h \
+	run_part.c \
 	subordinateio.h \
 	subordinateio.c \
 	selinux.c \

lib/commonio.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2001, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2001, Marek Michałkiewicz
- * Copyright (c) 2001 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2006, Tomasz Kłoczko
- * Copyright (c) 2007 - 2011, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2011, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -51,10 +28,11 @@
 #endif				/* WITH_TCB */
 #include "prototypes.h"
 #include "commonio.h"
+#include "shadowlog_internal.h"
 
 /* local function prototypes */
 static int lrename (const char *, const char *);
-static int check_link_count (const char *file);
+static int check_link_count (const char *file, bool log);
 static int do_lock_file (const char *file, const char *lock, bool log);
 static /*@null@*/ /*@dependent@*/FILE *fopen_set_perms (
 	const char *name,
@@ -87,7 +65,6 @@ int lrename (const char *old, const char *new)
 	int res;
 	char *r = NULL;
 
-#if defined(S_ISLNK)
 #ifndef __GLIBC__
 	char resolved_path[PATH_MAX];
 #endif				/* !__GLIBC__ */
@@ -104,28 +81,35 @@ int lrename (const char *old, const char *new)
 			new = r;
 		}
 	}
-#endif				/* S_ISLNK */
 
 	res = rename (old, new);
 
 #ifdef __GLIBC__
-	if (NULL != r) {
+	free (r);
-		free (r);
-	}
 #endif				/* __GLIBC__ */
 
 	return res;
 }
 
-static int check_link_count (const char *file)
+static int check_link_count (const char *file, bool log)
 {
 	struct stat sb;
 
 	if (stat (file, &sb) != 0) {
+		if (log) {
+			(void) fprintf (shadow_logfd,
+			                "%s: %s file stat error: %s\n",
+			                shadow_progname, file, strerror (errno));
+		}
 		return 0;
 	}
 
 	if (sb.st_nlink != 2) {
+		if (log) {
+			(void) fprintf (shadow_logfd,
+			                "%s: %s: lock file already used (nlink: %u)\n",
+			                shadow_progname, file, sb.st_nlink);
+		}
 		return 0;
 	}
 
@@ -144,9 +128,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	fd = open (file, O_CREAT | O_TRUNC | O_WRONLY, 0600);
 	if (-1 == fd) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: %s: %s\n",
-			                Prog, file, strerror (errno));
+			                shadow_progname, file, strerror (errno));
 		}
 		return 0;
 	}
@@ -156,9 +140,19 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	len = (ssize_t) strlen (buf) + 1;
 	if (write (fd, buf, (size_t) len) != len) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
-			                "%s: %s: %s\n",
+			                "%s: %s file write error: %s\n",
-			                Prog, file, strerror (errno));
+			                shadow_progname, file, strerror (errno));
+		}
+		(void) close (fd);
+		unlink (file);
+		return 0;
+	}
+	if (fdatasync (fd) == -1) {
+		if (log) {
+			(void) fprintf (shadow_logfd,
+			                "%s: %s file sync error: %s\n",
+			                shadow_progname, file, strerror (errno));
 		}
 		(void) close (fd);
 		unlink (file);
@@ -167,12 +161,7 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	close (fd);
 
 	if (link (file, lock) == 0) {
-		retval = check_link_count (file);
+		retval = check_link_count (file, log);
-		if ((0==retval) && log) {
-			(void) fprintf (stderr,
-			                "%s: %s: lock file already used\n",
-			                Prog, file);
-		}
 		unlink (file);
 		return retval;
 	}
@@ -180,9 +169,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	fd = open (lock, O_RDWR);
 	if (-1 == fd) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: %s: %s\n",
-			                Prog, lock, strerror (errno));
+			                shadow_progname, lock, strerror (errno));
 		}
 		unlink (file);
 		errno = EINVAL;
@@ -192,9 +181,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	close (fd);
 	if (len <= 0) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: existing lock file %s without a PID\n",
-			                Prog, lock);
+			                shadow_progname, lock);
 		}
 		unlink (file);
 		errno = EINVAL;
@@ -203,9 +192,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	buf[len] = '\0';
 	if (get_pid (buf, &pid) == 0) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: existing lock file %s with an invalid PID '%s'\n",
-			                Prog, lock, buf);
+			                shadow_progname, lock, buf);
 		}
 		unlink (file);
 		errno = EINVAL;
@@ -213,9 +202,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	}
 	if (kill (pid, 0) == 0) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: lock %s already used by PID %lu\n",
-			                Prog, lock, (unsigned long) pid);
+			                shadow_progname, lock, (unsigned long) pid);
 		}
 		unlink (file);
 		errno = EEXIST;
@@ -223,9 +212,9 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 	}
 	if (unlink (lock) != 0) {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: cannot get lock %s: %s\n",
-			                Prog, lock, strerror (errno));
+			                shadow_progname, lock, strerror (errno));
 		}
 		unlink (file);
 		return 0;
@@ -233,17 +222,12 @@ static int do_lock_file (const char *file, const char *lock, bool log)
 
 	retval = 0;
 	if (link (file, lock) == 0) {
-		retval = check_link_count (file);
+		retval = check_link_count (file, log);
-		if ((0==retval) && log) {
-			(void) fprintf (stderr,
-			                "%s: %s: lock file already used\n",
-			                Prog, file);
-		}
 	} else {
 		if (log) {
-			(void) fprintf (stderr,
+			(void) fprintf (shadow_logfd,
 			                "%s: cannot get lock %s: %s\n",
-			                Prog, lock, strerror (errno));
+			                shadow_progname, lock, strerror (errno));
 		}
 	}
 
@@ -326,8 +310,12 @@ static int create_backup (const char *backup, FILE * fp)
 		/* FIXME: unlink the backup file? */
 		return -1;
 	}
-	if (   (fsync (fileno (bkfp)) != 0)
+	if (fsync (fileno (bkfp)) != 0) {
-	    || (fclose (bkfp) != 0)) {
+		(void) fclose (bkfp);
+		/* FIXME: unlink the backup file? */
+		return -1;
+	}
+	if (fclose (bkfp) != 0) {
 		/* FIXME: unlink the backup file? */
 		return -1;
 	}
@@ -347,9 +335,7 @@ static void free_linked_list (struct commonio_db *db)
 		p = db->head;
 		db->head = p->next;
 
-		if (NULL != p->line) {
+		free (p->line);
-			free (p->line);
-		}
 
 		if (NULL != p->eptr) {
 			db->ops->free (p->eptr);
@@ -389,11 +375,11 @@ int commonio_lock_nowait (struct commonio_db *db, bool log)
 	file_len = strlen(db->filename) + 11;/* %lu max size */
 	lock_file_len = strlen(db->filename) + 6; /* sizeof ".lock" */
 	file = (char*)malloc(file_len);
-	if(file == NULL) {
+	if (file == NULL) {
 		goto cleanup_ENOMEM;
 	}
 	lock = (char*)malloc(lock_file_len);
-	if(lock == NULL) {
+	if (lock == NULL) {
 		goto cleanup_ENOMEM;
 	}
 	snprintf (file, file_len, "%s.%lu",
@@ -405,10 +391,8 @@ int commonio_lock_nowait (struct commonio_db *db, bool log)
 		err = 1;
 	}
 cleanup_ENOMEM:
-	if(file)
+	free(file);
-		free(file);
+	free(lock);
-	if(lock)
-		free(lock);
 	return err;
 }
 
@@ -432,9 +416,9 @@ int commonio_lock (struct commonio_db *db)
 		if (0 == lock_count) {
 			if (lckpwdf () == -1) {
 				if (geteuid () != 0) {
-					(void) fprintf (stderr,
+					(void) fprintf (shadow_logfd,
 					                "%s: Permission denied.\n",
-					                Prog);
+					                shadow_progname);
 				}
 				return 0;	/* failure */
 			}
@@ -468,8 +452,8 @@ int commonio_lock (struct commonio_db *db)
 		}
 		/* no unnecessary retries on "permission denied" errors */
 		if (geteuid () != 0) {
-			(void) fprintf (stderr, "%s: Permission denied.\n",
+			(void) fprintf (shadow_logfd, "%s: Permission denied.\n",
-			                Prog);
+			                shadow_progname);
 			return 0;
 		}
 	}
@@ -964,7 +948,7 @@ int commonio_close (struct commonio_db *db)
 		snprintf (buf, sizeof buf, "%s-", db->filename);
 
 #ifdef WITH_SELINUX
-		if (set_selinux_file_context (buf) != 0) {
+		if (set_selinux_file_context (db->filename, S_IFREG) != 0) {
 			errors++;
 		}
 #endif
@@ -997,7 +981,7 @@ int commonio_close (struct commonio_db *db)
 	snprintf (buf, sizeof buf, "%s+", db->filename);
 
 #ifdef WITH_SELINUX
-	if (set_selinux_file_context (buf) != 0) {
+	if (set_selinux_file_context (db->filename, S_IFREG) != 0) {
 		errors++;
 	}
 #endif
@@ -1099,7 +1083,7 @@ int commonio_update (struct commonio_db *db, const void *eptr)
 	p = find_entry_by_name (db, db->ops->getname (eptr));
 	if (NULL != p) {
 		if (next_entry_by_name (db, p->next, db->ops->getname (eptr)) != NULL) {
-			fprintf (stderr, _("Multiple entries named '%s' in %s. Please fix this with pwck or grpck.\n"), db->ops->getname (eptr), db->filename);
+			fprintf (shadow_logfd, _("Multiple entries named '%s' in %s. Please fix this with pwck or grpck.\n"), db->ops->getname (eptr), db->filename);
 			db->ops->free (nentry);
 			return 0;
 		}
@@ -1204,15 +1188,13 @@ int commonio_remove (struct commonio_db *db, const char *name)
 		return 0;
 	}
 	if (next_entry_by_name (db, p->next, name) != NULL) {
-		fprintf (stderr, _("Multiple entries named '%s' in %s. Please fix this with pwck or grpck.\n"), name, db->filename);
+		fprintf (shadow_logfd, _("Multiple entries named '%s' in %s. Please fix this with pwck or grpck.\n"), name, db->filename);
 		return 0;
 	}
 
 	commonio_del_entry (db, p);
 
-	if (NULL != p->line) {
+	free (p->line);
-		free (p->line);
-	}
 
 	if (NULL != p->eptr) {
 		db->ops->free (p->eptr);

lib/commonio.h

@@ -1,43 +1,16 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
- * Copyright (c) 2007 - 2010, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */
 #ifndef COMMONIO_H
 #define COMMONIO_H
 
-#ifdef WITH_SELINUX
-#include <selinux/selinux.h>
-#endif
-
 #include "defines.h" /* bool */
 
 /*
@@ -121,7 +94,7 @@ struct commonio_db {
 	/*@dependent@*/ /*@null@*/FILE *fp;
 
 #ifdef WITH_SELINUX
-	/*@null@*/security_context_t scontext;
+	/*@null@*/char *scontext;
 #endif
 	/*
 	 * Default permissions and owner for newly created data file.

lib/defines.h

@@ -4,6 +4,8 @@
 #ifndef _DEFINES_H_
 #define _DEFINES_H_
 
+#include "config.h"
+
 #if HAVE_STDBOOL_H
 # include <stdbool.h>
 #else
@@ -20,8 +22,6 @@ typedef unsigned char _Bool;
 # define __bool_true_false_are_defined 1
 #endif
 
-#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
-
 /* Take care of NLS matters.  */
 #ifdef S_SPLINT_S
 extern char *setlocale(int categories, const char *locale);
@@ -59,20 +59,8 @@ extern char * textdomain (const char * domainname);
 #endif
 #endif
 
-#if STDC_HEADERS
+#include <stdlib.h>
-# include <stdlib.h>
+#include <string.h>
-# include <string.h>
-#else				/* not STDC_HEADERS */
-# ifndef HAVE_STRCHR
-#  define strchr index
-#  define strrchr rindex
-# endif
-char *strchr (), *strrchr (), *strtok ();
-
-# ifndef HAVE_MEMCPY
-#  define memcpy(d, s, n) bcopy((s), (d), (n))
-# endif
-#endif				/* not STDC_HEADERS */
 
 #if HAVE_ERRNO_H
 # include <errno.h>
@@ -80,53 +68,40 @@ char *strchr (), *strrchr (), *strtok ();
 
 #include <sys/stat.h>
 #include <sys/types.h>
-#if HAVE_SYS_WAIT_H
+#include <sys/wait.h>
-# include <sys/wait.h>
-#endif
-#ifndef WEXITSTATUS
-# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
-#endif
-#ifndef WIFEXITED
-# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
-#endif
 
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
 
-#if TIME_WITH_SYS_TIME
+/*
-# include <sys/time.h>
+ * crypt(3), crypt_gensalt(3), and their
-# include <time.h>
+ * feature test macros may be defined in here.
-#else				/* not TIME_WITH_SYS_TIME */
+ */
-# if HAVE_SYS_TIME_H
+#if HAVE_CRYPT_H
-#  include <sys/time.h>
+# include <crypt.h>
-# else
-#  include <time.h>
-# endif
-#endif				/* not TIME_WITH_SYS_TIME */
-
-#ifdef HAVE_MEMSET
-# define memzero(ptr, size) memset((void *)(ptr), 0, (size))
-#else
-# define memzero(ptr, size) bzero((char *)(ptr), (size))
 #endif
+
+#include <sys/time.h>
+#include <time.h>
+
+#ifdef HAVE_MEMSET_S
+# define memzero(ptr, size) memset_s((ptr), 0, (size))
+#elif defined HAVE_EXPLICIT_BZERO	/* !HAVE_MEMSET_S */
+# define memzero(ptr, size) explicit_bzero((ptr), (size))
+#else					/* !HAVE_MEMSET_S && HAVE_EXPLICIT_BZERO */
+static inline void memzero(void *ptr, size_t size)
+{
+	volatile unsigned char * volatile p = ptr;
+	while (size--) {
+		*p++ = '\0';
+	}
+}
+#endif					/* !HAVE_MEMSET_S && !HAVE_EXPLICIT_BZERO */
+
 #define strzero(s) memzero(s, strlen(s))	/* warning: evaluates twice */
 
-#ifdef HAVE_DIRENT_H		/* DIR_SYSV */
+#include <dirent.h>
-# include <dirent.h>
-# define DIRECT dirent
-#else
-# ifdef HAVE_SYS_NDIR_H		/* DIR_XENIX */
-#  include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H		/* DIR_??? */
-#  include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H		/* DIR_BSD */
-#  include <ndir.h>
-# endif
-# define DIRECT direct
-#endif
 
 /*
  * Possible cases:
@@ -230,30 +205,6 @@ char *strchr (), *strrchr (), *strtok ();
 # define SEEK_END 2
 #endif
 
-#ifdef STAT_MACROS_BROKEN
-# define S_ISDIR(x) ((x) & S_IFMT) == S_IFDIR)
-# define S_ISREG(x) ((x) & S_IFMT) == S_IFREG)
-# ifdef S_IFLNK
-#  define S_ISLNK(x) ((x) & S_IFMT) == S_IFLNK)
-# endif
-#endif
-
-#ifndef S_ISLNK
-#define S_ISLNK(x) (0)
-#endif
-
-#if HAVE_LCHOWN
-#define LCHOWN lchown
-#else
-#define LCHOWN chown
-#endif
-
-#if HAVE_LSTAT
-#define LSTAT lstat
-#else
-#define LSTAT stat
-#endif
-
 #if HAVE_TERMIOS_H
 # include <termios.h>
 # define STTY(fd, termio) tcsetattr(fd, TCSANOW, termio)
@@ -353,16 +304,10 @@ extern char *strerror ();
 /* To be used for verified unused parameters */
 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
 # define unused __attribute__((unused))
+# define format_attr(type, index, check) __attribute__((format (type, index, check)))
 #else
 # define unused
-#endif
+# define format_attr(type, index, check)
-
-/* ! Arguments evaluated twice ! */
-#ifndef MIN
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-#endif
-#ifndef MAX
-#define MAX(x,y) (((x) > (y)) ? (x) : (y))
 #endif
 
 /* Maximum length of usernames */
@@ -382,6 +327,9 @@ extern char *strerror ();
 # endif
 #endif
 
+/* Maximum length of passwd entry */
+#define PASSWD_ENTRY_MAX_LENGTH 32768
+
 #ifdef HAVE_SECURE_GETENV
 #  define shadow_getenv(name) secure_getenv(name)
 # else

lib/encrypt.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1993, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1993, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2010, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -39,6 +16,7 @@
 
 #include "prototypes.h"
 #include "defines.h"
+#include "shadowlog_internal.h"
 
 /*@exposed@*//*@null@*/char *pw_encrypt (const char *clear, const char *salt)
 {
@@ -74,6 +52,9 @@
 			case '6':
 				method = "SHA512";
 				break;
+			case 'y':
+				method = "YESCRYPT";
+				break;
 			default:
 			{
 				static char nummethod[4] = "$x$";
@@ -81,7 +62,7 @@
 				method = &nummethod[0];
 			}
 		}
-		(void) fprintf (stderr,
+		(void) fprintf (shadow_logfd,
 		                _("crypt method not supported by libcrypt? (%s)\n"),
 		                method);
 		exit (EXIT_FAILURE);

lib/exitcodes.h

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2005 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005 - 2006, Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */

lib/faillog.h

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
@@ -45,8 +22,8 @@
 struct faillog {
 	short fail_cnt;		/* failures since last success */
 	short fail_max;		/* failures before turning account off */
-	char fail_line[12];	/* last failure occured here */
+	char fail_line[12];	/* last failure occurred here */
-	time_t fail_time;	/* last failure occured then */
+	time_t fail_time;	/* last failure occurred then */
 	/*
 	 * If nonzero, the account will be re-enabled if there are no
 	 * failures for fail_locktime seconds since last failure.

lib/fields.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990       , Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990       , Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2007       , Nicolas François
+ * SPDX-FileCopyrightText: 2007       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/fputsx.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1999, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1999, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/get_gid.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/get_pid.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/get_uid.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/getdef.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1991 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2002 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2002 - 2006, Tomasz Kłoczko
- * Copyright (c) 2007 - 2008, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2008, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -44,6 +21,7 @@
 #include <libeconf.h>
 #endif
 #include "getdef.h"
+#include "shadowlog_internal.h"
 /*
  * A configuration item definition.
  */
@@ -61,6 +39,7 @@ struct itemdef {
 	{"ENV_TZ", NULL},			\
 	{"FAILLOG_ENAB", NULL},			\
 	{"FTMP_FILE", NULL},			\
+	{"HMAC_CRYPTO_ALGO", NULL},		\
 	{"ISSUE_FILE", NULL},			\
 	{"LASTLOG_ENAB", NULL},			\
 	{"LOGIN_STRING", NULL},			\
@@ -77,6 +56,16 @@ struct itemdef {
 	{"SU_WHEEL_ONLY", NULL},		\
 	{"ULIMIT", NULL},
 
+/*
+ * Items used in other tools (util-linux, etc.)
+ */
+#define FOREIGNDEFS				\
+	{"ALWAYS_SET_PATH", NULL},		\
+	{"ENV_ROOTPATH", NULL},			\
+	{"LOGIN_KEEP_USERNAME", NULL},		\
+	{"LOGIN_PLAIN_PROMPT", NULL},		\
+	{"MOTD_FIRSTONLY", NULL},		\
+
 
 #define NUMDEFS	(sizeof(def_table)/sizeof(def_table[0]))
 static struct itemdef def_table[] = {
@@ -93,6 +82,7 @@ static struct itemdef def_table[] = {
 	{"FAKE_SHELL", NULL},
 	{"GID_MAX", NULL},
 	{"GID_MIN", NULL},
+	{"HOME_MODE", NULL},
 	{"HUSHLOGIN_FILE", NULL},
 	{"KILLCHAR", NULL},
 	{"LASTLOG_UID_MAX", NULL},
@@ -104,6 +94,7 @@ static struct itemdef def_table[] = {
 	{"MAIL_FILE", NULL},
 	{"MAX_MEMBERS_PER_GROUP", NULL},
 	{"MD5_CRYPT_ENAB", NULL},
+	{"NONEXISTENT", NULL},
 	{"PASS_MAX_DAYS", NULL},
 	{"PASS_MIN_DAYS", NULL},
 	{"PASS_WARN_AGE", NULL},
@@ -114,6 +105,9 @@ static struct itemdef def_table[] = {
 #ifdef USE_BCRYPT
 	{"BCRYPT_MAX_ROUNDS", NULL},
 	{"BCRYPT_MIN_ROUNDS", NULL},
+#endif
+#ifdef USE_YESCRYPT
+	{"YESCRYPT_COST_FACTOR", NULL},
 #endif
 	{"SUB_GID_COUNT", NULL},
 	{"SUB_GID_MAX", NULL},
@@ -148,6 +142,8 @@ static struct itemdef def_table[] = {
 	{"USE_TCB", NULL},
 #endif
 	{"FORCE_SHADOW", NULL},
+	{"GRANT_AUX_GROUP_SUBIDS", NULL},
+	{"PREVENT_NO_AUTH", NULL},
 	{NULL, NULL}
 };
 
@@ -156,6 +152,7 @@ static struct itemdef knowndef_table[] = {
 #ifdef USE_PAM
 	PAMDEFS
 #endif
+	FOREIGNDEFS
 	{NULL, NULL}
 };
 
@@ -248,7 +245,7 @@ int getdef_num (const char *item, int dflt)
 	if (   (getlong (d->value, &val) == 0)
 	    || (val > INT_MAX)
 	    || (val < INT_MIN)) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("configuration error - cannot parse %s value: '%s'"),
 		         item, d->value);
 		return dflt;
@@ -283,7 +280,7 @@ unsigned int getdef_unum (const char *item, unsigned int dflt)
 	if (   (getlong (d->value, &val) == 0)
 	    || (val < 0)
 	    || (val > INT_MAX)) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("configuration error - cannot parse %s value: '%s'"),
 		         item, d->value);
 		return dflt;
@@ -316,7 +313,7 @@ long getdef_long (const char *item, long dflt)
 	}
 
 	if (getlong (d->value, &val) == 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("configuration error - cannot parse %s value: '%s'"),
 		         item, d->value);
 		return dflt;
@@ -348,8 +345,7 @@ unsigned long getdef_ulong (const char *item, unsigned long dflt)
 	}
 
 	if (getulong (d->value, &val) == 0) {
-		/* FIXME: we should have a getulong */
+		fprintf (shadow_logfd,
-		fprintf (stderr,
 		         _("configuration error - cannot parse %s value: '%s'"),
 		         item, d->value);
 		return dflt;
@@ -387,15 +383,12 @@ int putdef_str (const char *name, const char *value)
 	cp = strdup (value);
 	if (NULL == cp) {
 		(void) fputs (_("Could not allocate space for config info.\n"),
-		              stderr);
+		              shadow_logfd);
 		SYSLOG ((LOG_ERR, "could not allocate space for config info"));
 		return -1;
 	}
 
-	if (NULL != d->value) {
+	free (d->value);
-		free (d->value);
-	}
-
 	d->value = cp;
 	return 0;
 }
@@ -412,7 +405,6 @@ static /*@observer@*/ /*@null@*/struct itemdef *def_find (const char *name)
 {
 	struct itemdef *ptr;
 
-
 	/*
 	 * Search into the table.
 	 */
@@ -432,7 +424,7 @@ static /*@observer@*/ /*@null@*/struct itemdef *def_find (const char *name)
 			goto out;
 		}
 	}
-	fprintf (stderr,
+	fprintf (shadow_logfd,
 	         _("configuration error - unknown item '%s' (notify administrator)\n"),
 	         name);
 	SYSLOG ((LOG_CRIT, "unknown configuration item `%s'", name));

lib/getdef.h

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1991 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2002 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2002 - 2006, Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef _GETDEF_H
 #define _GETDEF_H

lib/getlong.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2007 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/getulong.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2007 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/groupio.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2010, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -441,9 +418,7 @@ static int split_groups (unsigned int max_members)
 		/* Shift all the members */
 		/* The number of members in new_gptr will be check later */
 		for (i = 0; NULL != new_gptr->gr_mem[i + max_members]; i++) {
-			if (NULL != new_gptr->gr_mem[i]) {
+			free (new_gptr->gr_mem[i]);
-				free (new_gptr->gr_mem[i]);
-			}
 			new_gptr->gr_mem[i] = new_gptr->gr_mem[i + max_members];
 			new_gptr->gr_mem[i + max_members] = NULL;
 		}

lib/groupio.h

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */

lib/groupmem.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2013, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -87,20 +64,55 @@
 	return gr;
 }
 
-void gr_free (/*@out@*/ /*@only@*/struct group *grent)
+void gr_free_members (struct group *grent)
 {
-	free (grent->gr_name);
-	if (NULL != grent->gr_passwd) {
-		memzero (grent->gr_passwd, strlen (grent->gr_passwd));
-		free (grent->gr_passwd);
-	}
 	if (NULL != grent->gr_mem) {
 		size_t i;
 		for (i = 0; NULL != grent->gr_mem[i]; i++) {
 			free (grent->gr_mem[i]);
 		}
 		free (grent->gr_mem);
+		grent->gr_mem = NULL;
 	}
+}
+
+void gr_free (/*@out@*/ /*@only@*/struct group *grent)
+{
+	free (grent->gr_name);
+	if (NULL != grent->gr_passwd) {
+		strzero (grent->gr_passwd);
+		free (grent->gr_passwd);
+	}
+	gr_free_members(grent);
 	free (grent);
 }
 
+bool gr_append_member(struct group *grp, char *member)
+{
+	int i;
+
+	if (NULL == grp->gr_mem || grp->gr_mem[0] == NULL) {
+		grp->gr_mem = (char **)malloc(2 * sizeof(char *));
+		if (!grp->gr_mem) {
+			return false;
+		}
+		grp->gr_mem[0] = strdup(member);
+		if (!grp->gr_mem[0]) {
+			return false;
+		}
+		grp->gr_mem[1] = NULL;
+		return true;
+	}
+
+	for (i = 0; grp->gr_mem[i]; i++) ;
+	grp->gr_mem = realloc(grp->gr_mem, (i + 2) * sizeof(char *));
+	if (NULL == grp->gr_mem) {
+		return false;
+	}
+	grp->gr_mem[i] = strdup(member);
+	if (NULL == grp->gr_mem[i]) {
+		return false;
+	}
+	grp->gr_mem[i + 1] = NULL;
+	return true;
+}

lib/gshadow.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/gshadow_.h

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1988 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1988 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*

lib/lockpw.c

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1992       , Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1992       , Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/nscd.c

@@ -10,6 +10,7 @@
 #include "defines.h"
 #include "prototypes.h"
 #include "nscd.h"
+#include "shadowlog_internal.h"
 
 #define MSG_NSCD_FLUSH_CACHE_FAILED "%s: Failed to flush the nscd cache.\n"
 
@@ -25,15 +26,15 @@ int nscd_flush_cache (const char *service)
 
 	if (run_command (cmd, spawnedArgs, spawnedEnv, &status) != 0) {
 		/* run_command writes its own more detailed message. */
-		(void) fprintf (stderr, _(MSG_NSCD_FLUSH_CACHE_FAILED), Prog);
+		(void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname);
 		return -1;
 	}
 
 	code = WEXITSTATUS (status);
 	if (!WIFEXITED (status)) {
-		(void) fprintf (stderr,
+		(void) fprintf (shadow_logfd,
 		                _("%s: nscd did not terminate normally (signal %d)\n"),
-		                Prog, WTERMSIG (status));
+		                shadow_progname, WTERMSIG (status));
 		return -1;
 	} else if (code == E_CMD_NOTFOUND) {
 		/* nscd is not installed, or it is installed but uses an
@@ -43,9 +44,9 @@ int nscd_flush_cache (const char *service)
 		/* nscd is installed, but it isn't active. */
 		return 0;
 	} else if (code != 0) {
-		(void) fprintf (stderr, _("%s: nscd exited with status %d\n"),
+		(void) fprintf (shadow_logfd, _("%s: nscd exited with status %d\n"),
-		                Prog, code);
+		                shadow_progname, code);
-		(void) fprintf (stderr, _(MSG_NSCD_FLUSH_CACHE_FAILED), Prog);
+		(void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname);
 		return -1;
 	}
 

lib/nss.c

@@ -0,0 +1,151 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include <ctype.h>
+#include <stdatomic.h>
+#include "prototypes.h"
+#include "../libsubid/subid.h"
+#include "shadowlog_internal.h"
+#include "shadowlog.h"
+
+#define NSSWITCH "/etc/nsswitch.conf"
+
+// NSS plugin handling for subids
+// If nsswitch has a line like
+//    subid: sssd
+// then sssd will be consulted for subids.  Unlike normal NSS dbs,
+// only one db is supported at a time.  That's open to debate, but
+// the subids are a pretty limited resource, and local files seem
+// bound to step on any other allocations leading to insecure
+// conditions.
+static atomic_flag nss_init_started;
+static atomic_bool nss_init_completed;
+
+static struct subid_nss_ops *subid_nss;
+
+bool nss_is_initialized() {
+	return atomic_load(&nss_init_completed);
+}
+
+static void nss_exit(void) {
+	if (nss_is_initialized() && subid_nss) {
+		dlclose(subid_nss->handle);
+		free(subid_nss);
+		subid_nss = NULL;
+	}
+}
+
+// nsswitch_path is an argument only to support testing.
+void nss_init(const char *nsswitch_path) {
+	FILE *nssfp = NULL;
+	char *line = NULL, *p, *token, *saveptr;
+	size_t len = 0;
+	FILE *shadow_logfd = log_get_logfd();
+
+	if (atomic_flag_test_and_set(&nss_init_started)) {
+		// Another thread has started nss_init, wait for it to complete
+		while (!atomic_load(&nss_init_completed))
+			usleep(100);
+		return;
+	}
+
+	if (!nsswitch_path)
+		nsswitch_path = NSSWITCH;
+
+	// read nsswitch.conf to check for a line like:
+	//   subid:	files
+	nssfp = fopen(nsswitch_path, "r");
+	if (!nssfp) {
+		atomic_store(&nss_init_completed, true);
+		return;
+	}
+	while ((getline(&line, &len, nssfp)) != -1) {
+		if (line[0] == '\0' || line[0] == '#')
+			continue;
+		if (strlen(line) < 8)
+			continue;
+		if (strncasecmp(line, "subid:", 6) != 0)
+			continue;
+		p = &line[6];
+		while ((*p) && isspace(*p))
+			p++;
+		if (!*p)
+			continue;
+		for (token = strtok_r(p, " \n\t", &saveptr);
+		     token;
+		     token = strtok_r(NULL, " \n\t", &saveptr)) {
+			char libname[65];
+			void *h;
+			if (strcmp(token, "files") == 0) {
+				subid_nss = NULL;
+				goto done;
+			}
+			if (strlen(token) > 50) {
+				fprintf(shadow_logfd, "Subid NSS module name too long (longer than 50 characters): %s\n", token);
+				fprintf(shadow_logfd, "Using files\n");
+				subid_nss = NULL;
+				goto done;
+			}
+			snprintf(libname, 64,  "libsubid_%s.so", token);
+			h = dlopen(libname, RTLD_LAZY);
+			if (!h) {
+				fprintf(shadow_logfd, "Error opening %s: %s\n", libname, dlerror());
+				fprintf(shadow_logfd, "Using files\n");
+				subid_nss = NULL;
+				goto done;
+			}
+			subid_nss = malloc(sizeof(*subid_nss));
+			if (!subid_nss) {
+				dlclose(h);
+				goto done;
+			}
+			subid_nss->has_range = dlsym(h, "shadow_subid_has_range");
+			if (!subid_nss->has_range) {
+				fprintf(shadow_logfd, "%s did not provide @has_range@\n", libname);
+				dlclose(h);
+				free(subid_nss);
+				subid_nss = NULL;
+				goto done;
+			}
+			subid_nss->list_owner_ranges = dlsym(h, "shadow_subid_list_owner_ranges");
+			if (!subid_nss->list_owner_ranges) {
+				fprintf(shadow_logfd, "%s did not provide @list_owner_ranges@\n", libname);
+				dlclose(h);
+				free(subid_nss);
+				subid_nss = NULL;
+				goto done;
+			}
+			subid_nss->find_subid_owners = dlsym(h, "shadow_subid_find_subid_owners");
+			if (!subid_nss->find_subid_owners) {
+				fprintf(shadow_logfd, "%s did not provide @find_subid_owners@\n", libname);
+				dlclose(h);
+				free(subid_nss);
+				subid_nss = NULL;
+				goto done;
+			}
+			subid_nss->handle = h;
+			goto done;
+		}
+		fprintf(shadow_logfd, "No usable subid NSS module found, using files\n");
+		// subid_nss has to be null here, but to ease reviews:
+		free(subid_nss);
+		subid_nss = NULL;
+		goto done;
+	}
+
+done:
+	atomic_store(&nss_init_completed, true);
+	free(line);
+	if (nssfp) {
+		atexit(nss_exit);
+		fclose(nssfp);
+	}
+}
+
+struct subid_nss_ops *get_subid_nss_handle() {
+	nss_init(NULL);
+	return subid_nss;
+}

lib/pam_defs.h

@@ -1,31 +1,8 @@
 /*
- * Copyright (c) 1999       , Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1999       , Marek Michałkiewicz
- * Copyright (c) 2001 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/port.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

lib/port.h

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1989 - 1991, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1991, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*

lib/prototypes.h

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2003 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2006, Tomasz Kłoczko
- * Copyright (c) 2007 - 2010, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2010, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
@@ -59,8 +36,6 @@
 #include "defines.h"
 #include "commonio.h"
 
-extern /*@observer@*/ const char *Prog;
-
 /* addgrps.c */
 #if defined (HAVE_SETGROUPS) && ! defined (USE_PAM)
 extern int add_groups (const char *);
@@ -133,6 +108,9 @@ extern int copy_tree (const char *src_root, const char *dst_root,
                       uid_t old_uid, uid_t new_uid,
                       gid_t old_gid, gid_t new_gid);
 
+/* date_to_str.c */
+extern void date_to_str (size_t size, char buf[size], long date);
+
 /* encrypt.c */
 extern /*@exposed@*//*@null@*/char *pw_encrypt (const char *, const char *);
 
@@ -161,12 +139,10 @@ extern int find_new_uid (bool sys_user,
 
 #ifdef ENABLE_SUBIDS
 /* find_new_sub_gids.c */
-extern int find_new_sub_gids (const char *owner,
+extern int find_new_sub_gids (gid_t *range_start, unsigned long *range_count);
-			      gid_t *range_start, unsigned long *range_count);
 
 /* find_new_sub_uids.c */
-extern int find_new_sub_uids (const char *owner,
+extern int find_new_sub_uids (uid_t *range_start, unsigned long *range_count);
-			      uid_t *range_start, unsigned long *range_count);
 #endif				/* ENABLE_SUBIDS */
 
 
@@ -183,12 +159,12 @@ extern int getlong (const char *numstr, /*@out@*/long int *result);
 extern int get_pid (const char *pidstr, pid_t *pid);
 
 /* getrange */
-extern int getrange (char *range,
+extern int getrange (const char *range,
                      unsigned long *min, bool *has_min,
                      unsigned long *max, bool *has_max);
 
 /* gettime.c */
-extern time_t gettime ();
+extern time_t gettime (void);
 
 /* get_uid.c */
 extern int get_uid (const char *uidstr, uid_t *uid);
@@ -208,7 +184,9 @@ extern void __gr_set_changed (void);
 
 /* groupmem.c */
 extern /*@null@*/ /*@only@*/struct group *__gr_dup (const struct group *grent);
+extern void gr_free_members (struct group *grent);
 extern void gr_free (/*@out@*/ /*@only@*/struct group *grent);
+extern bool gr_append_member (struct group *grp, char *member);
 
 /* hushed.c */
 extern bool hushed (const char *username);
@@ -262,6 +240,62 @@ extern void motd (void);
 /* myname.c */
 extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
 
+/* nss.c */
+#include <libsubid/subid.h>
+extern void nss_init(const char *nsswitch_path);
+extern bool nss_is_initialized(void);
+
+struct subid_nss_ops {
+	/*
+	 * nss_has_range: does a user own a given subid range
+	 *
+	 * @owner: username
+	 * @start: first subid in queried range
+	 * @count: number of subids in queried range
+	 * @idtype: subuid or subgid
+	 * @result: true if @owner has been allocated the subid range.
+	 *
+	 * returns success if the module was able to determine an answer (true or false),
+	 * else an error status.
+	 */
+	enum subid_status (*has_range)(const char *owner, unsigned long start, unsigned long count, enum subid_type idtype, bool *result);
+
+	/*
+	 * nss_list_owner_ranges: list the subid ranges delegated to a user.
+	 *
+	 * @owner - string representing username being queried
+	 * @id_type - subuid or subgid
+	 * @ranges - pointer to an array of struct subid_range, or NULL.  The
+	 *           returned array must be freed by the caller.
+	 * @count - pointer to an integer into which the number of returned ranges
+	 *          is written.
+
+	 * returns success if the module was able to determine an answer,
+	 * else an error status.
+	 */
+	enum subid_status (*list_owner_ranges)(const char *owner, enum subid_type id_type, struct subid_range **ranges, int *count);
+
+	/*
+	 * nss_find_subid_owners: find uids who own a given subuid or subgid.
+	 *
+	 * @id - the delegated id (subuid or subgid) being queried
+	 * @id_type - subuid or subgid
+	 * @uids - pointer to an array of uids which will be allocated by
+	 *         nss_find_subid_owners()
+	 * @count - number of uids found
+	 *
+	 * returns success if the module was able to determine an answer,
+	 * else an error status.
+	 */
+	enum subid_status (*find_subid_owners)(unsigned long id, enum subid_type id_type, uid_t **uids, int *count);
+
+	/* The dlsym handle to close */
+	void *handle;
+};
+
+extern struct subid_nss_ops *get_subid_nss_handle(void);
+
+
 /* pam_pass_non_interactive.c */
 #ifdef USE_PAM
 extern int do_pam_passwd_non_interactive (const char *pam_service,
@@ -290,12 +324,12 @@ extern struct passwd *prefix_getpwuid(uid_t uid);
 extern struct passwd *prefix_getpwnam(const char* name);
 extern struct spwd *prefix_getspnam(const char* name);
 extern struct group *prefix_getgr_nam_gid(const char *grname);
-extern void prefix_setpwent();
+extern void prefix_setpwent(void);
-extern struct passwd* prefix_getpwent();
+extern struct passwd* prefix_getpwent(void);
-extern void prefix_endpwent();
+extern void prefix_endpwent(void);
-extern void prefix_setgrent();
+extern void prefix_setgrent(void);
-extern struct group* prefix_getgrent();
+extern struct group* prefix_getgrent(void);
-extern void prefix_endgrent();
+extern void prefix_endgrent(void);
 
 /* pwd2spwd.c */
 #ifndef USE_PAM
@@ -334,7 +368,8 @@ extern /*@observer@*/const char *crypt_make_salt (/*@null@*//*@observer@*/const
 
 /* selinux.c */
 #ifdef WITH_SELINUX
-extern int set_selinux_file_context (const char *dst_name);
+extern int set_selinux_file_context (const char *dst_name, mode_t mode);
+extern void reset_selinux_handle (void);
 extern int reset_selinux_file_context (void);
 extern int check_selinux_permit (const char *perm_name);
 #endif
@@ -445,7 +480,7 @@ extern int setutmpx (struct utmpx *utx);
 extern bool valid (const char *, const struct passwd *);
 
 /* xmalloc.c */
-extern /*@maynotreturn@*/ /*@only@*//*@out@*//*@notnull@*/char *xmalloc (size_t size)
+extern /*@maynotreturn@*/ /*@only@*//*@out@*//*@notnull@*/void *xmalloc (size_t size)
   /*@ensures MaxSet(result) == (size - 1); @*/;
 extern /*@maynotreturn@*/ /*@only@*//*@notnull@*/char *xstrdup (const char *);
 

lib/pwauth.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1992 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1992 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2003 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2006, Tomasz Kłoczko
- * Copyright (c) 2008 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -127,7 +104,7 @@ int pw_auth (const char *cipher,
 #ifdef	SKEY
 	/*
 	 * If the user has an S/KEY entry show them the pertinent info
-	 * and then we can try validating the created cyphertext and the SKEY.
+	 * and then we can try validating the created ciphertext and the SKEY.
 	 * If there is no SKEY information we default to not using SKEY.
 	 */
 

lib/pwauth.h

@@ -1,39 +1,19 @@
 /*
- * Copyright (c) 1992 - 1993, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1992 - 1993, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
  *	$Id$
  */
 
+#ifndef _PWAUTH_H
+#define _PWAUTH_H
+
 #ifndef USE_PAM
 int pw_auth (const char *cipher,
              const char *user,
@@ -64,3 +44,5 @@ int pw_auth (const char *cipher,
 #define	PW_RLOGIN	202
 #define	PW_FTP		203
 #define	PW_REXEC	204
+
+#endif /* _PWAUTH_H */

lib/pwio.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2007 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -79,7 +56,10 @@ static int passwd_put (const void *ent, FILE * file)
 	    || (pw->pw_gid == (gid_t)-1)
 	    || (valid_field (pw->pw_gecos, ":\n") == -1)
 	    || (valid_field (pw->pw_dir, ":\n") == -1)
-	    || (valid_field (pw->pw_shell, ":\n") == -1)) {
+	    || (valid_field (pw->pw_shell, ":\n") == -1)
+	    || (strlen (pw->pw_name) + strlen (pw->pw_passwd) +
+	        strlen (pw->pw_gecos) + strlen (pw->pw_dir) +
+	        strlen (pw->pw_shell) + 100 > PASSWD_ENTRY_MAX_LENGTH)) {
 		return -1;
 	}
 

lib/pwio.h

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2005       , Michał Moskal
+ * SPDX-FileCopyrightText: 2005       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */

lib/pwmem.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2007 - 2013, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -93,14 +70,16 @@
 
 void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent)
 {
-	free (pwent->pw_name);
+	if (pwent != NULL) {
-	if (pwent->pw_passwd) {
+		free (pwent->pw_name);
-		memzero (pwent->pw_passwd, strlen (pwent->pw_passwd));
+		if (pwent->pw_passwd) {
-		free (pwent->pw_passwd);
+			strzero (pwent->pw_passwd);
+			free (pwent->pw_passwd);
+		}
+		free (pwent->pw_gecos);
+		free (pwent->pw_dir);
+		free (pwent->pw_shell);
+		free (pwent);
 	}
-	free (pwent->pw_gecos);
-	free (pwent->pw_dir);
-	free (pwent->pw_shell);
-	free (pwent);
 }
 

lib/run_part.c

@@ -0,0 +1,104 @@
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <lib/prototypes.h>
+#include "run_part.h"
+#include "shadowlog_internal.h"
+
+int run_part (char *script_path, const char *name, const char *action)
+{
+	int pid;
+	int wait_status;
+	int pid_status;
+	char *args[] = { script_path, NULL };
+
+	pid=fork();
+	if (pid==-1) {
+		perror ("Could not fork");
+		return 1;
+	}
+	if (pid==0) {
+		setenv ("ACTION",action,1);
+		setenv ("SUBJECT",name,1);
+		execv (script_path,args);
+		perror ("execv");
+		exit(1);
+	}
+
+	pid_status = wait (&wait_status);
+	if (pid_status == pid) {
+		return (wait_status);
+	}
+
+	perror ("waitpid");
+	return (1);
+}
+
+int run_parts (const char *directory, const char *name, const char *action)
+{
+	struct dirent **namelist;
+	int scanlist;
+	int n;
+	int execute_result = 0;
+
+	scanlist = scandir (directory, &namelist, 0, alphasort);
+	if (scanlist<=0) {
+		return (0);
+	}
+
+	for (n=0; n<scanlist; n++) {
+		int path_length;
+		struct stat sb;
+
+		path_length=strlen(directory) + strlen(namelist[n]->d_name) + 2;
+		char *s = (char*)malloc(path_length);
+		if (!s) {
+			printf ("could not allocate memory\n");
+			for (; n<scanlist; n++) {
+				free (namelist[n]);
+			}
+			free (namelist);
+			return (1);
+		}
+		snprintf (s, path_length, "%s/%s", directory, namelist[n]->d_name);
+
+		execute_result = 0;
+		if (stat (s, &sb) == -1) {
+			perror ("stat");
+			free (s);
+			for (; n<scanlist; n++) {
+				free (namelist[n]);
+			}
+			free (namelist);
+			return (1);
+		}
+
+		if (S_ISREG (sb.st_mode) || S_ISLNK (sb.st_mode)) {
+			execute_result = run_part (s, name, action);
+		}
+
+		free (s);
+
+		if (execute_result!=0) {
+			fprintf (shadow_logfd,
+				"%s: did not exit cleanly.\n",
+			    namelist[n]->d_name);
+			for (; n<scanlist; n++) {
+				free (namelist[n]);
+			}
+			break;
+		}
+
+		free (namelist[n]);
+	}
+	free (namelist);
+
+	return (execute_result);
+}
+

lib/run_part.h

@@ -0,0 +1,7 @@
+#ifndef _RUN_PART_H
+#define _RUN_PART_H
+
+int run_part (char *script_path, const char *name, const char *action);
+int run_parts (const char *directory, const char *name, const char *action);
+
+#endif /* _RUN_PART_H */

lib/selinux.c

@@ -1,45 +1,38 @@
 /*
- * Copyright (c) 2011       , Peter Vrabec <pvrabec@redhat.com>
+ * SPDX-FileCopyrightText: 2011       , Peter Vrabec <pvrabec@redhat.com>
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
 
 #ifdef WITH_SELINUX
 
+#include <stdio.h>
 #include "defines.h"
 
 #include <selinux/selinux.h>
-#include <selinux/context.h>
+#include <selinux/label.h>
 #include "prototypes.h"
 
+#include "shadowlog_internal.h"
 
 static bool selinux_checked = false;
 static bool selinux_enabled;
+static /*@null@*/struct selabel_handle *selabel_hnd = NULL;
+
+static void cleanup(void)
+{
+	if (selabel_hnd) {
+		selabel_close(selabel_hnd);
+		selabel_hnd = NULL;
+	}
+}
+
+void reset_selinux_handle (void)
+{
+    cleanup();
+}
 
 /*
  * set_selinux_file_context - Set the security context before any file or
@@ -51,10 +44,8 @@ static bool selinux_enabled;
  *	Callers may have to Reset SELinux to create files with default
  *	contexts with reset_selinux_file_context
  */
-int set_selinux_file_context (const char *dst_name)
+int set_selinux_file_context (const char *dst_name, mode_t mode)
 {
-	/*@null@*/security_context_t scontext = NULL;
-
 	if (!selinux_checked) {
 		selinux_enabled = is_selinux_enabled () > 0;
 		selinux_checked = true;
@@ -62,18 +53,34 @@ int set_selinux_file_context (const char *dst_name)
 
 	if (selinux_enabled) {
 		/* Get the default security context for this file */
-		if (matchpathcon (dst_name, 0, &scontext) < 0) {
+
-			if (security_getenforce () != 0) {
+		/*@null@*/char *fcontext_raw = NULL;
-				return 1;
+		int r;
+
+		if (selabel_hnd == NULL) {
+			selabel_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0);
+			if (selabel_hnd == NULL) {
+				return security_getenforce () != 0;
 			}
+			(void) atexit(cleanup);
 		}
+
+		r = selabel_lookup_raw(selabel_hnd, &fcontext_raw, dst_name, mode);
+		if (r < 0) {
+			/* No context specified for the searched path */
+			if (errno == ENOENT) {
+				return 0;
+			}
+
+			return security_getenforce () != 0;
+		}
+
 		/* Set the security context for the next created file */
-		if (setfscreatecon (scontext) < 0) {
+		r = setfscreatecon_raw (fcontext_raw);
-			if (security_getenforce () != 0) {
+		freecon (fcontext_raw);
-				return 1;
+		if (r < 0) {
-			}
+			return security_getenforce () != 0;
 		}
-		freecon (scontext);
 	}
 	return 0;
 }
@@ -92,8 +99,8 @@ int reset_selinux_file_context (void)
 		selinux_checked = true;
 	}
 	if (selinux_enabled) {
-		if (setfscreatecon (NULL) != 0) {
+		if (setfscreatecon_raw (NULL) != 0) {
-			return 1;
+			return security_getenforce () != 0;
 		}
 	}
 	return 0;
@@ -102,7 +109,7 @@ int reset_selinux_file_context (void)
 /*
  *  Log callback for libselinux internal error reporting.
  */
-__attribute__((__format__ (printf, 2, 3)))
+format_attr(printf, 2, 3)
 static int selinux_log_cb (int type, const char *fmt, ...) {
 	va_list ap;
 	char *buf;
@@ -131,7 +138,7 @@ static int selinux_log_cb (int type, const char *fmt, ...) {
 			    && (errno != EAFNOSUPPORT)) {
 
 			    (void) fputs (_("Cannot open audit interface.\n"),
-			              stderr);
+			              shadow_logfd);
 			    SYSLOG ((LOG_WARN, "Cannot open audit interface."));
 			}
 		}
@@ -174,7 +181,7 @@ skip_syslog:
  */
 int check_selinux_permit (const char *perm_name)
 {
-	char *user_context_str;
+	char *user_context_raw;
 	int r;
 
 	if (0 == is_selinux_enabled ()) {
@@ -183,18 +190,18 @@ int check_selinux_permit (const char *perm_name)
 
 	selinux_set_callback (SELINUX_CB_LOG, (union selinux_callback) selinux_log_cb);
 
-	if (getprevcon (&user_context_str) != 0) {
+	if (getprevcon_raw (&user_context_raw) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		    _("%s: can not get previous SELinux process context: %s\n"),
-		    Prog, strerror (errno));
+		    shadow_progname, strerror (errno));
 		SYSLOG ((LOG_WARN,
 		    "can not get previous SELinux process context: %s",
 		    strerror (errno)));
 		return (security_getenforce () != 0);
 	}
 
-	r = selinux_check_access (user_context_str, user_context_str, "passwd", perm_name, NULL);
+	r = selinux_check_access (user_context_raw, user_context_raw, "passwd", perm_name, NULL);
-	freecon (user_context_str);
+	freecon (user_context_raw);
 	return r;
 }
 

lib/semanage.c

@@ -1,31 +1,8 @@
 /*
- * Copyright (c) 2010       , Jakub Hrozek <jhrozek@redhat.com>
+ * SPDX-FileCopyrightText: 2010       , Jakub Hrozek <jhrozek@redhat.com>
- * Copyright (c) 2011       , Peter Vrabec <pvrabec@redhat.com>
+ * SPDX-FileCopyrightText: 2011       , Peter Vrabec <pvrabec@redhat.com>
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -43,12 +20,14 @@
 #include <semanage/semanage.h>
 #include "prototypes.h"
 
+#include "shadowlog_internal.h"
 
 #ifndef DEFAULT_SERANGE
 #define DEFAULT_SERANGE "s0"
 #endif
 
 
+format_attr(printf, 3, 4)
 static void semanage_error_callback (unused void *varg,
                                      semanage_handle_t *handle,
                                      const char *fmt, ...)
@@ -69,7 +48,7 @@ static void semanage_error_callback (unused void *varg,
 	switch (semanage_msg_get_level (handle)) {
 	case SEMANAGE_MSG_ERR:
 	case SEMANAGE_MSG_WARN:
-		fprintf (stderr, _("[libsemanage]: %s\n"), message);
+		fprintf (shadow_logfd, _("[libsemanage]: %s\n"), message);
 		break;
 	case SEMANAGE_MSG_INFO:
 		/* nop */
@@ -87,7 +66,7 @@ static semanage_handle_t *semanage_init (void)
 
 	handle = semanage_handle_create ();
 	if (NULL == handle) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Cannot create SELinux management handle\n"));
 		return NULL;
 	}
@@ -96,26 +75,26 @@ static semanage_handle_t *semanage_init (void)
 
 	ret = semanage_is_managed (handle);
 	if (ret != 1) {
-		fprintf (stderr, _("SELinux policy not managed\n"));
+		fprintf (shadow_logfd, _("SELinux policy not managed\n"));
 		goto fail;
 	}
 
 	ret = semanage_access_check (handle);
 	if (ret < SEMANAGE_CAN_READ) {
-		fprintf (stderr, _("Cannot read SELinux policy store\n"));
+		fprintf (shadow_logfd, _("Cannot read SELinux policy store\n"));
 		goto fail;
 	}
 
 	ret = semanage_connect (handle);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Cannot establish SELinux management connection\n"));
 		goto fail;
 	}
 
 	ret = semanage_begin_transaction (handle);
 	if (ret != 0) {
-		fprintf (stderr, _("Cannot begin SELinux transaction\n"));
+		fprintf (shadow_logfd, _("Cannot begin SELinux transaction\n"));
 		goto fail;
 	}
 
@@ -137,23 +116,25 @@ static int semanage_user_mod (semanage_handle_t *handle,
 
 	semanage_seuser_query (handle, key, &seuser);
 	if (NULL == seuser) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not query seuser for %s\n"), login_name);
 		ret = 1;
 		goto done;
 	}
 
-	ret = semanage_seuser_set_mlsrange (handle, seuser, DEFAULT_SERANGE);
+	if (semanage_mls_enabled(handle)) {
-	if (ret != 0) {
+		ret = semanage_seuser_set_mlsrange (handle, seuser, DEFAULT_SERANGE);
-		fprintf (stderr,
+		if (ret != 0) {
-		         _("Could not set serange for %s\n"), login_name);
+			fprintf (shadow_logfd,
-		ret = 1;
+			         _("Could not set serange for %s\n"), login_name);
-		goto done;
+			ret = 1;
+			goto done;
+		}
 	}
 
 	ret = semanage_seuser_set_sename (handle, seuser, seuser_name);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not set sename for %s\n"),
 		         login_name);
 		ret = 1;
@@ -162,7 +143,7 @@ static int semanage_user_mod (semanage_handle_t *handle,
 
 	ret = semanage_seuser_modify_local (handle, key, seuser);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not modify login mapping for %s\n"),
 		         login_name);
 		ret = 1;
@@ -186,7 +167,7 @@ static int semanage_user_add (semanage_handle_t *handle,
 
 	ret = semanage_seuser_create (handle, &seuser);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Cannot create SELinux login mapping for %s\n"),
 		         login_name);
 		ret = 1;
@@ -195,23 +176,24 @@ static int semanage_user_add (semanage_handle_t *handle,
 
 	ret = semanage_seuser_set_name (handle, seuser, login_name);
 	if (ret != 0) {
-		fprintf (stderr, _("Could not set name for %s\n"), login_name);
+		fprintf (shadow_logfd, _("Could not set name for %s\n"), login_name);
 		ret = 1;
 		goto done;
 	}
 
-	ret = semanage_seuser_set_mlsrange (handle, seuser, DEFAULT_SERANGE);
+	if (semanage_mls_enabled(handle)) {
-	if (ret != 0) {
+		ret = semanage_seuser_set_mlsrange (handle, seuser, DEFAULT_SERANGE);
-		fprintf (stderr,
+		if (ret != 0) {
-		         _("Could not set serange for %s\n"),
+			fprintf (shadow_logfd,
-		         login_name);
+			         _("Could not set serange for %s\n"), login_name);
-		ret = 1;
+			ret = 1;
-		goto done;
+			goto done;
+		}
 	}
 
 	ret = semanage_seuser_set_sename (handle, seuser, seuser_name);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not set SELinux user for %s\n"),
 		         login_name);
 		ret = 1;
@@ -220,7 +202,7 @@ static int semanage_user_add (semanage_handle_t *handle,
 
 	ret = semanage_seuser_modify_local (handle, key, seuser);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not add login mapping for %s\n"),
 		         login_name);
 		ret = 1;
@@ -248,21 +230,21 @@ int set_seuser (const char *login_name, const char *seuser_name)
 
 	handle = semanage_init ();
 	if (NULL == handle) {
-		fprintf (stderr, _("Cannot init SELinux management\n"));
+		fprintf (shadow_logfd, _("Cannot init SELinux management\n"));
 		ret = 1;
 		goto done;
 	}
 
 	ret = semanage_seuser_key_create (handle, login_name, &key);
 	if (ret != 0) {
-		fprintf (stderr, _("Cannot create SELinux user key\n"));
+		fprintf (shadow_logfd, _("Cannot create SELinux user key\n"));
 		ret = 1;
 		goto done;
 	}
 
 	ret = semanage_seuser_exists (handle, key, &seuser_exists);
 	if (ret < 0) {
-		fprintf (stderr, _("Cannot verify the SELinux user\n"));
+		fprintf (shadow_logfd, _("Cannot verify the SELinux user\n"));
 		ret = 1;
 		goto done;
 	}
@@ -270,7 +252,7 @@ int set_seuser (const char *login_name, const char *seuser_name)
 	if (0 != seuser_exists) {
 		ret = semanage_user_mod (handle, key, login_name, seuser_name);
 		if (ret != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("Cannot modify SELinux user mapping\n"));
 			ret = 1;
 			goto done;
@@ -278,7 +260,7 @@ int set_seuser (const char *login_name, const char *seuser_name)
 	} else {
 		ret = semanage_user_add (handle, key, login_name, seuser_name);
 		if (ret != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("Cannot add SELinux user mapping\n"));
 			ret = 1;
 			goto done;
@@ -287,12 +269,13 @@ int set_seuser (const char *login_name, const char *seuser_name)
 
 	ret = semanage_commit (handle);
 	if (ret < 0) {
-		fprintf (stderr, _("Cannot commit SELinux transaction\n"));
+		fprintf (shadow_logfd, _("Cannot commit SELinux transaction\n"));
 		ret = 1;
 		goto done;
 	}
 
 	ret = 0;
+	reset_selinux_handle();
 
 done:
 	semanage_seuser_key_free (key);
@@ -310,27 +293,27 @@ int del_seuser (const char *login_name)
 
 	handle = semanage_init ();
 	if (NULL == handle) {
-		fprintf (stderr, _("Cannot init SELinux management\n"));
+		fprintf (shadow_logfd, _("Cannot init SELinux management\n"));
 		ret = 1;
 		goto done;
 	}
 
 	ret = semanage_seuser_key_create (handle, login_name, &key);
 	if (ret != 0) {
-		fprintf (stderr, _("Cannot create SELinux user key\n"));
+		fprintf (shadow_logfd, _("Cannot create SELinux user key\n"));
 		ret = 1;
 		goto done;
 	}
 
 	ret = semanage_seuser_exists (handle, key, &exists);
 	if (ret < 0) {
-		fprintf (stderr, _("Cannot verify the SELinux user\n"));
+		fprintf (shadow_logfd, _("Cannot verify the SELinux user\n"));
 		ret = 1;
 		goto done;
 	}
 
 	if (0 == exists) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Login mapping for %s is not defined, OK if default mapping was used\n"),
 		         login_name);
 		ret = 0;  /* probably default mapping */
@@ -339,13 +322,13 @@ int del_seuser (const char *login_name)
 
 	ret = semanage_seuser_exists_local (handle, key, &exists);
 	if (ret < 0) {
-		fprintf (stderr, _("Cannot verify the SELinux user\n"));
+		fprintf (shadow_logfd, _("Cannot verify the SELinux user\n"));
 		ret = 1;
 		goto done;
 	}
 
 	if (0 == exists) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Login mapping for %s is defined in policy, cannot be deleted\n"),
 		         login_name);
 		ret = 0; /* Login mapping defined in policy can't be deleted */
@@ -354,7 +337,7 @@ int del_seuser (const char *login_name)
 
 	ret = semanage_seuser_del_local (handle, key);
 	if (ret != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("Could not delete login mapping for %s"),
 		         login_name);
 		ret = 1;
@@ -363,7 +346,7 @@ int del_seuser (const char *login_name)
 
 	ret = semanage_commit (handle);
 	if (ret < 0) {
-		fprintf (stderr, _("Cannot commit SELinux transaction\n"));
+		fprintf (shadow_logfd, _("Cannot commit SELinux transaction\n"));
 		ret = 1;
 		goto done;
 	}

lib/sgetgrent.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -77,8 +54,7 @@ static char **list (char *s)
 				rbuf = malloc (size * sizeof (char *));
 			}
 			if (!rbuf) {
-				if (members)
+				free (members);
-					free (members);
 				members = 0;
 				size = 0;
 				return (char **) 0;
@@ -112,8 +88,7 @@ struct group *sgetgrent (const char *buf)
 	if (strlen (buf) + 1 > size) {
 		/* no need to use realloc() here - just free it and
 		   allocate a larger block */
-		if (grpbuf)
+		free (grpbuf);
-			free (grpbuf);
 		size = strlen (buf) + 1000;	/* at least: strlen(buf) + 1 */
 		grpbuf = malloc (size);
 		if (!grpbuf) {

lib/sgetpwent.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -39,6 +16,7 @@
 #include <stdio.h>
 #include <pwd.h>
 #include "prototypes.h"
+#include "shadowlog_internal.h"
 
 #define	NFIELDS	7
 
@@ -57,9 +35,9 @@
 struct passwd *sgetpwent (const char *buf)
 {
 	static struct passwd pwent;
-	static char pwdbuf[1024];
+	static char pwdbuf[PASSWD_ENTRY_MAX_LENGTH];
-	register int i;
+	int i;
-	register char *cp;
+	char *cp;
 	char *fields[NFIELDS];
 
 	/*
@@ -67,8 +45,12 @@ struct passwd *sgetpwent (const char *buf)
 	 * the password structure remain valid.
 	 */
 
-	if (strlen (buf) >= sizeof pwdbuf)
+	if (strlen (buf) >= sizeof pwdbuf) {
+		fprintf (shadow_logfd,
+		         "%s: Too long passwd entry encountered, file corruption?\n",
+		         shadow_progname);
 		return 0;	/* fail if too long */
+	}
 	strcpy (pwdbuf, buf);
 
 	/*
@@ -91,7 +73,7 @@ struct passwd *sgetpwent (const char *buf)
 	}
 
 	/* something at the end, columns over shot */
-	if( cp != NULL ) {
+	if ( cp != NULL ) {
 		return( NULL );
 	}
 

lib/sgetspent.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -39,6 +16,7 @@
 
 #include <sys/types.h>
 #include "prototypes.h"
+#include "shadowlog_internal.h"
 #include "defines.h"
 #include <stdio.h>
 #define	FIELDS	9
@@ -48,11 +26,10 @@
  */
 struct spwd *sgetspent (const char *string)
 {
-	static char spwbuf[1024];
+	static char spwbuf[PASSWD_ENTRY_MAX_LENGTH];
 	static struct spwd spwd;
 	char *fields[FIELDS];
 	char *cp;
-	char *cpp;
 	int i;
 
 	/*
@@ -61,6 +38,9 @@ struct spwd *sgetspent (const char *string)
 	 */
 
 	if (strlen (string) >= sizeof spwbuf) {
+		fprintf (shadow_logfd,
+		         "%s: Too long passwd entry encountered, file corruption?\n",
+		         shadow_progname);
 		return 0;	/* fail if too long */
 	}
 	strcpy (spwbuf, string);
@@ -195,8 +175,7 @@ struct spwd *sgetspent (const char *string)
 
 	if (fields[8][0] == '\0') {
 		spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
-	} else if (getlong (fields[8], &spwd.sp_flag) == 0) {
+	} else if (getulong (fields[8], &spwd.sp_flag) == 0) {
-		/* FIXME: add a getulong function */
 		return 0;
 	}
 

lib/sgroupio.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2013, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -151,7 +128,7 @@ void sgr_free (/*@out@*/ /*@only@*/struct sgrp *sgent)
 	size_t i;
 	free (sgent->sg_name);
 	if (NULL != sgent->sg_passwd) {
-		memzero (sgent->sg_passwd, strlen (sgent->sg_passwd));
+		strzero (sgent->sg_passwd);
 		free (sgent->sg_passwd);
 	}
 	for (i = 0; NULL != sgent->sg_adm[i]; i++) {

lib/sgroupio.h

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */

lib/shadow.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * Copyright (c) 2009       , Nicolas François
+ * SPDX-FileCopyrightText: 2009       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -130,7 +107,6 @@ static struct spwd *my_sgetspent (const char *string)
 	static struct spwd spwd;
 	char *fields[FIELDS];
 	char *cp;
-	char *cpp;
 	int i;
 
 	/*
@@ -329,8 +305,7 @@ static struct spwd *my_sgetspent (const char *string)
 	if (fields[8][0] == '\0') {
 		spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
 	} else {
-		if (getlong (fields[8], &spwd.sp_flag) == 0) {
+		if (getulong (fields[8], &spwd.sp_flag) == 0) {
-			/* FIXME: add a getulong function */
 #ifdef	USE_NIS
 			if (nis_used) {
 				spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
@@ -389,7 +364,6 @@ struct spwd *getspent (void)
 #ifdef	USE_NIS
 	int nis_1_user = 0;
 	struct spwd *val;
-	char buf[BUFSIZ];
 #endif
 	if (NULL == shadow) {
 		setspent ();
@@ -484,7 +458,6 @@ struct spwd *getspnam (const char *name)
 	struct spwd *sp;
 
 #ifdef	USE_NIS
-	char buf[BUFSIZ];
 	static char save_name[16];
 	bool nis_disabled = false;
 #endif

lib/shadowio.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -79,7 +56,9 @@ static int shadow_put (const void *ent, FILE * file)
 
 	if (   (NULL == sp)
 	    || (valid_field (sp->sp_namp, ":\n") == -1)
-	    || (valid_field (sp->sp_pwdp, ":\n") == -1)) {
+	    || (valid_field (sp->sp_pwdp, ":\n") == -1)
+	    || (strlen (sp->sp_namp) + strlen (sp->sp_pwdp) +
+	        1000 > PASSWD_ENTRY_MAX_LENGTH)) {
 		return -1;
 	}
 

lib/shadowio.h

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2005, Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /* $Id$ */

lib/shadowlog.c

@@ -0,0 +1,31 @@
+#include "shadowlog.h"
+
+#include "lib/shadowlog_internal.h"
+
+const char *shadow_progname = "libshadow";
+FILE *shadow_logfd = NULL;
+
+void log_set_progname(const char *progname)
+{
+	shadow_progname = progname;
+}
+
+const char *log_get_progname(void)
+{
+	return shadow_progname;
+}
+
+void log_set_logfd(FILE *fd)
+{
+	if (NULL != fd)
+		shadow_logfd = fd;
+	else
+		shadow_logfd = stderr;
+}
+
+FILE *log_get_logfd(void)
+{
+	if (shadow_logfd != NULL)
+		return shadow_logfd;
+	return stderr;
+}

lib/shadowlog.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2021       , Serge Hallyn
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the copyright holders or contributors may not be used to
+ *    endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* $Id$ */
+#ifndef _LOG_H
+#define _LOG_H
+#include <stdio.h>
+
+extern void log_set_progname(const char *);
+extern const char *log_get_progname(void);
+extern void log_set_logfd(FILE *fd);
+extern FILE *log_get_logfd(void);
+
+#endif

lib/shadowlog_internal.h

@@ -0,0 +1,7 @@
+#ifndef _SHADOWLOG_INTERNAL_H
+#define _SHADOWLOG_INTERNAL_H
+
+extern const char *shadow_progname; /* Program name showed in error messages */
+extern FILE *shadow_logfd;  /* file descripter to which error messages are printed */
+
+#endif /* _SHADOWLOG_INTERNAL_H */

lib/shadowmem.c

@@ -1,34 +1,11 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
- * Copyright (c) 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2007 - 2013, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -79,11 +56,13 @@
 
 void spw_free (/*@out@*/ /*@only@*/struct spwd *spent)
 {
-	free (spent->sp_namp);
+	if (spent != NULL) {
-	if (NULL != spent->sp_pwdp) {
+		free (spent->sp_namp);
-		memzero (spent->sp_pwdp, strlen (spent->sp_pwdp));
+		if (NULL != spent->sp_pwdp) {
-		free (spent->sp_pwdp);
+			strzero (spent->sp_pwdp);
+			free (spent->sp_pwdp);
+		}
+		free (spent);
 	}
-	free (spent);
 }
 

lib/spawn.c

@@ -1,30 +1,7 @@
 /*
- * Copyright (c) 2011       , Jonathan Nieder
+ * SPDX-FileCopyrightText: 2011       , Jonathan Nieder
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -38,6 +15,8 @@
 #include "exitcodes.h"
 #include "prototypes.h"
 
+#include "shadowlog_internal.h"
+
 int run_command (const char *cmd, const char *argv[],
                  /*@null@*/const char *envp[], /*@out@*/int *status)
 {
@@ -48,7 +27,7 @@ int run_command (const char *cmd, const char *argv[],
 	}
 
 	(void) fflush (stdout);
-	(void) fflush (stderr);
+	(void) fflush (shadow_logfd);
 
 	pid = fork ();
 	if (0 == pid) {
@@ -57,12 +36,12 @@ int run_command (const char *cmd, const char *argv[],
 		if (ENOENT == errno) {
 			exit (E_CMD_NOTFOUND);
 		}
-		fprintf (stderr, "%s: cannot execute %s: %s\n",
+		fprintf (shadow_logfd, "%s: cannot execute %s: %s\n",
-		         Prog, cmd, strerror (errno));
+		         shadow_progname, cmd, strerror (errno));
 		exit (E_CMD_NOEXEC);
 	} else if ((pid_t)-1 == pid) {
-		fprintf (stderr, "%s: cannot execute %s: %s\n",
+		fprintf (shadow_logfd, "%s: cannot execute %s: %s\n",
-		         Prog, cmd, strerror (errno));
+		         shadow_progname, cmd, strerror (errno));
 		return -1;
 	}
 
@@ -74,8 +53,8 @@ int run_command (const char *cmd, const char *argv[],
 	         || ((pid_t)-1 != wpid && wpid != pid));
 
 	if ((pid_t)-1 == wpid) {
-		fprintf (stderr, "%s: waitpid (status: %d): %s\n",
+		fprintf (shadow_logfd, "%s: waitpid (status: %d): %s\n",
-		         Prog, *status, strerror (errno));
+		         shadow_progname, *status, strerror (errno));
 		return -1;
 	}
 

lib/sssd.c

@@ -11,7 +11,9 @@
 #include "prototypes.h"
 #include "sssd.h"
 
-#define MSG_SSSD_FLUSH_CACHE_FAILED "%s: Failed to flush the sssd cache.\n"
+#include "shadowlog_internal.h"
+
+#define MSG_SSSD_FLUSH_CACHE_FAILED "%s: Failed to flush the sssd cache."
 
 int sssd_flush_cache (int dbflags)
 {
@@ -46,24 +48,22 @@ int sssd_flush_cache (int dbflags)
 	free(sss_cache_args);
 	if (rv != 0) {
 		/* run_command writes its own more detailed message. */
-		(void) fprintf (stderr, _(MSG_SSSD_FLUSH_CACHE_FAILED), Prog);
+		SYSLOG ((LOG_WARN, MSG_SSSD_FLUSH_CACHE_FAILED, shadow_progname));
 		return -1;
 	}
 
 	code = WEXITSTATUS (status);
 	if (!WIFEXITED (status)) {
-		(void) fprintf (stderr,
+		SYSLOG ((LOG_WARN, "%s: sss_cache did not terminate normally (signal %d)",
-		                _("%s: sss_cache did not terminate normally (signal %d)\n"),
+			shadow_progname, WTERMSIG (status)));
-		                Prog, WTERMSIG (status));
 		return -1;
 	} else if (code == E_CMD_NOTFOUND) {
 		/* sss_cache is not installed, or it is installed but uses an
 		   interpreter that is missing.  Probably the former. */
 		return 0;
 	} else if (code != 0) {
-		(void) fprintf (stderr, _("%s: sss_cache exited with status %d\n"),
+		SYSLOG ((LOG_WARN, "%s: sss_cache exited with status %d", shadow_progname, code));
-		                Prog, code);
+		SYSLOG ((LOG_WARN, MSG_SSSD_FLUSH_CACHE_FAILED, shadow_progname));
-		(void) fprintf (stderr, _(MSG_SSSD_FLUSH_CACHE_FAILED), Prog);
 		return -1;
 	}
 

lib/subordinateio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012 - Eric Biederman
+ * SPDX-FileCopyrightText: 2012 - Eric Biederman
  */
 
 #include <config.h>
@@ -11,16 +11,13 @@
 #include <stdio.h>
 #include "commonio.h"
 #include "subordinateio.h"
+#include "../libsubid/subid.h"
 #include <sys/types.h>
 #include <pwd.h>
+#include <ctype.h>
+#include <fcntl.h>
 
-struct subordinate_range {
+#define ID_SIZE 31
-	const char *owner;
-	unsigned long start;
-	unsigned long count;
-};
-
-#define NFIELDS 3
 
 /*
  * subordinate_dup: create a duplicate range
@@ -78,7 +75,7 @@ static void *subordinate_parse (const char *line)
 	static char rangebuf[1024];
 	int i;
 	char *cp;
-	char *fields[NFIELDS];
+	char *fields[SUBID_NFIELDS];
 
 	/*
 	 * Copy the string to a temporary buffer so the substrings can
@@ -93,7 +90,7 @@ static void *subordinate_parse (const char *line)
 	 * field.  The fields are converted into NUL terminated strings.
 	 */
 
-	for (cp = rangebuf, i = 0; (i < NFIELDS) && (NULL != cp); i++) {
+	for (cp = rangebuf, i = 0; (i < SUBID_NFIELDS) && (NULL != cp); i++) {
 		fields[i] = cp;
 		while (('\0' != *cp) && (':' != *cp)) {
 			cp++;
@@ -108,10 +105,10 @@ static void *subordinate_parse (const char *line)
 	}
 
 	/*
-	 * There must be exactly NFIELDS colon separated fields or
+	 * There must be exactly SUBID_NFIELDS colon separated fields or
 	 * the entry is invalid.  Also, fields must be non-blank.
 	 */
-	if (i != NFIELDS || *fields[0] == '\0' || *fields[1] == '\0' || *fields[2] == '\0')
+	if (i != SUBID_NFIELDS || *fields[0] == '\0' || *fields[1] == '\0' || *fields[2] == '\0')
 		return NULL;
 	range.owner = fields[0];
 	if (getulong (fields[1], &range.start) == 0)
@@ -160,7 +157,7 @@ static struct commonio_ops subordinate_ops = {
  *
  * Returns true if @owner owns any subuid ranges, false otherwise.
  */
-static const bool range_exists(struct commonio_db *db, const char *owner)
+static bool range_exists(struct commonio_db *db, const char *owner)
 {
 	const struct subordinate_range *range;
 	commonio_rewind(db);
@@ -229,7 +226,7 @@ static const struct subordinate_range *find_range(struct commonio_db *db,
         /* Get UID of the username we are looking for */
         pwd = getpwnam(owner);
         if (NULL == pwd) {
-                /* Username not defined in /etc/passwd, or error occured during lookup */
+                /* Username not defined in /etc/passwd, or error occurred during lookup */
                 return NULL;
         }
         owner_uid = pwd->pw_uid;
@@ -314,6 +311,35 @@ static bool have_range(struct commonio_db *db,
 	return false;
 }
 
+static bool append_range(struct subid_range **ranges, const struct subordinate_range *new, int n)
+{
+	if (!*ranges) {
+		*ranges = malloc(sizeof(struct subid_range));
+		if (!*ranges)
+			return false;
+	} else {
+		struct subid_range *alloced;
+		alloced = realloc(*ranges, (n + 1) * (sizeof(struct subid_range)));
+		if (!alloced)
+			return false;
+		*ranges = alloced;
+	}
+	(*ranges)[n].start = new->start;
+	(*ranges)[n].count = new->count;
+	return true;
+}
+
+void free_subordinate_ranges(struct subordinate_range **ranges, int count)
+{
+	int i;
+
+	if (!ranges)
+		return;
+	for (i = 0; i < count; i++)
+		subordinate_free(ranges[i]);
+	free(ranges);
+}
+
 /*
  * subordinate_range_cmp: compare uid ranges
  *
@@ -574,23 +600,37 @@ int sub_uid_open (int mode)
 	return commonio_open (&subordinate_uid_db, mode);
 }
 
-bool sub_uid_assigned(const char *owner)
+bool local_sub_uid_assigned(const char *owner)
 {
 	return range_exists (&subordinate_uid_db, owner);
 }
 
 bool have_sub_uids(const char *owner, uid_t start, unsigned long count)
 {
+	struct subid_nss_ops *h;
+	bool found;
+	enum subid_status status;
+	h = get_subid_nss_handle();
+	if (h) {
+		status = h->has_range(owner, start, count, ID_TYPE_UID, &found);
+		if (status == SUBID_STATUS_SUCCESS && found)
+			return true;
+		return false;
+	}
 	return have_range (&subordinate_uid_db, owner, start, count);
 }
 
 int sub_uid_add (const char *owner, uid_t start, unsigned long count)
 {
+	if (get_subid_nss_handle())
+		return -EOPNOTSUPP;
 	return add_range (&subordinate_uid_db, owner, start, count);
 }
 
 int sub_uid_remove (const char *owner, uid_t start, unsigned long count)
 {
+	if (get_subid_nss_handle())
+		return -EOPNOTSUPP;
 	return remove_range (&subordinate_uid_db, owner, start, count);
 }
 
@@ -658,21 +698,35 @@ int sub_gid_open (int mode)
 
 bool have_sub_gids(const char *owner, gid_t start, unsigned long count)
 {
+	struct subid_nss_ops *h;
+	bool found;
+	enum subid_status status;
+	h = get_subid_nss_handle();
+	if (h) {
+		status = h->has_range(owner, start, count, ID_TYPE_GID, &found);
+		if (status == SUBID_STATUS_SUCCESS && found)
+			return true;
+		return false;
+	}
 	return have_range(&subordinate_gid_db, owner, start, count);
 }
 
-bool sub_gid_assigned(const char *owner)
+bool local_sub_gid_assigned(const char *owner)
 {
 	return range_exists (&subordinate_gid_db, owner);
 }
 
 int sub_gid_add (const char *owner, gid_t start, unsigned long count)
 {
+	if (get_subid_nss_handle())
+		return -EOPNOTSUPP;
 	return add_range (&subordinate_gid_db, owner, start, count);
 }
 
 int sub_gid_remove (const char *owner, gid_t start, unsigned long count)
 {
+	if (get_subid_nss_handle())
+		return -EOPNOTSUPP;
 	return remove_range (&subordinate_gid_db, owner, start, count);
 }
 
@@ -692,6 +746,356 @@ gid_t sub_gid_find_free_range(gid_t min, gid_t max, unsigned long count)
 	start = find_free_range (&subordinate_gid_db, min, max, count);
 	return start == ULONG_MAX ? (gid_t) -1 : start;
 }
+
+static bool get_owner_id(const char *owner, enum subid_type id_type, char *id)
+{
+	struct passwd *pw;
+	struct group *gr;
+	int ret = 0;
+
+	switch (id_type) {
+	case ID_TYPE_UID:
+		pw = getpwnam(owner);
+		if (pw == NULL) {
+			return false;
+		}
+		ret = snprintf(id, ID_SIZE, "%u", pw->pw_uid);
+		if (ret < 0 || ret >= ID_SIZE) {
+			return false;
+		}
+		break;
+	case ID_TYPE_GID:
+		gr = getgrnam(owner);
+		if (gr == NULL) {
+			return false;
+		}
+		ret = snprintf(id, ID_SIZE, "%u", gr->gr_gid);
+		if (ret < 0 || ret >= ID_SIZE) {
+			return false;
+		}
+		break;
+	default:
+		return false;
+	}
+
+	return true;
+}
+
+/*
+ * int list_owner_ranges(const char *owner, enum subid_type id_type, struct subordinate_range ***ranges)
+ *
+ * @owner: username
+ * @id_type: UID or GUID
+ * @ranges: pointer to array of ranges into which results will be placed.
+ *
+ * Fills in the subuid or subgid ranges which are owned by the specified
+ * user.  Username may be a username or a string representation of a
+ * UID number.  If id_type is UID, then subuids are returned, else
+ * subgids are given.
+
+ * Returns the number of ranges found, or < 0 on error.
+ *
+ * The caller must free the subordinate range list.
+ */
+int list_owner_ranges(const char *owner, enum subid_type id_type, struct subid_range **in_ranges)
+{
+	// TODO - need to handle owner being either uid or username
+	struct subid_range *ranges = NULL;
+	const struct subordinate_range *range;
+	struct commonio_db *db;
+	enum subid_status status;
+	int count = 0;
+	struct subid_nss_ops *h;
+	char id[ID_SIZE];
+	bool have_owner_id;
+
+	*in_ranges = NULL;
+
+	h = get_subid_nss_handle();
+	if (h) {
+		status = h->list_owner_ranges(owner, id_type, in_ranges, &count);
+		if (status == SUBID_STATUS_SUCCESS)
+			return count;
+		return -1;
+	}
+
+	switch (id_type) {
+	case ID_TYPE_UID:
+		if (!sub_uid_open(O_RDONLY)) {
+			return -1;
+		}
+		db = &subordinate_uid_db;
+		break;
+	case ID_TYPE_GID:
+		if (!sub_gid_open(O_RDONLY)) {
+			return -1;
+		}
+		db = &subordinate_gid_db;
+		break;
+	default:
+		return -1;
+	}
+
+	have_owner_id = get_owner_id(owner, id_type, id);
+
+	commonio_rewind(db);
+	while ((range = commonio_next(db)) != NULL) {
+		if (0 == strcmp(range->owner, owner)) {
+			if (!append_range(&ranges, range, count++)) {
+				free(ranges);
+				ranges = NULL;
+				count = -1;
+				goto out;
+			}
+		}
+
+		// Let's also compare with the ID
+		if (have_owner_id == true && 0 == strcmp(range->owner, id)) {
+			if (!append_range(&ranges, range, count++)) {
+				free(ranges);
+				ranges = NULL;
+				count = -1;
+				goto out;
+			}
+		}
+	}
+
+out:
+	if (id_type == ID_TYPE_UID)
+		sub_uid_close();
+	else
+		sub_gid_close();
+
+	*in_ranges = ranges;
+	return count;
+}
+
+static bool all_digits(const char *str)
+{
+	int i;
+
+	for (i = 0; str[i] != '\0'; i++)
+		if (!isdigit(str[i]))
+			return false;
+	return true;
+}
+
+static int append_uids(uid_t **uids, const char *owner, int n)
+{
+	uid_t owner_uid;
+	uid_t *ret;
+	int i;
+
+	if (all_digits(owner)) {
+		i = sscanf(owner, "%d", &owner_uid);
+		if (i != 1) {
+			// should not happen
+			free(*uids);
+			*uids = NULL;
+			return -1;
+		}
+	} else {
+		struct passwd *pwd = getpwnam(owner);
+		if (NULL == pwd) {
+			/* Username not defined in /etc/passwd, or error occurred during lookup */
+			free(*uids);
+			*uids = NULL;
+			return -1;
+		}
+		owner_uid = pwd->pw_uid;
+	}
+
+	for (i = 0; i < n; i++) {
+		if (owner_uid == (*uids)[i])
+			return n;
+	}
+
+	ret = realloc(*uids, (n + 1) * sizeof(uid_t));
+	if (!ret) {
+		free(*uids);
+		return -1;
+	}
+	ret[n] = owner_uid;
+	*uids = ret;
+	return n+1;
+}
+
+int find_subid_owners(unsigned long id, enum subid_type id_type, uid_t **uids)
+{
+	const struct subordinate_range *range;
+	struct subid_nss_ops *h;
+	enum subid_status status;
+	struct commonio_db *db;
+	int n = 0;
+
+	h = get_subid_nss_handle();
+	if (h) {
+		status = h->find_subid_owners(id, id_type, uids, &n);
+		// Several ways we could handle the error cases here.
+		if (status != SUBID_STATUS_SUCCESS)
+			return -1;
+		return n;
+	}
+
+	switch (id_type) {
+	case ID_TYPE_UID:
+		if (!sub_uid_open(O_RDONLY)) {
+			return -1;
+		}
+		db = &subordinate_uid_db;
+		break;
+	case ID_TYPE_GID:
+		if (!sub_gid_open(O_RDONLY)) {
+			return -1;
+		}
+		db = &subordinate_gid_db;
+		break;
+	default:
+		return -1;
+	}
+
+	*uids = NULL;
+
+	commonio_rewind(db);
+	while ((range = commonio_next(db)) != NULL) {
+		if (id >= range->start && id < range->start + range-> count) {
+			n = append_uids(uids, range->owner, n);
+			if (n < 0)
+				break;
+		}
+	}
+
+	if (id_type == ID_TYPE_UID)
+		sub_uid_close();
+	else
+		sub_gid_close();
+
+	return n;
+}
+
+bool new_subid_range(struct subordinate_range *range, enum subid_type id_type, bool reuse)
+{
+	struct commonio_db *db;
+	const struct subordinate_range *r;
+	bool ret;
+
+	if (get_subid_nss_handle())
+		return false;
+
+	switch (id_type) {
+	case ID_TYPE_UID:
+		if (!sub_uid_lock()) {
+			printf("Failed loging subuids (errno %d)\n", errno);
+			return false;
+		}
+		if (!sub_uid_open(O_CREAT | O_RDWR)) {
+			printf("Failed opening subuids (errno %d)\n", errno);
+			sub_uid_unlock();
+			return false;
+		}
+		db = &subordinate_uid_db;
+		break;
+	case ID_TYPE_GID:
+		if (!sub_gid_lock()) {
+			printf("Failed loging subgids (errno %d)\n", errno);
+			return false;
+		}
+		if (!sub_gid_open(O_CREAT | O_RDWR)) {
+			printf("Failed opening subgids (errno %d)\n", errno);
+			sub_gid_unlock();
+			return false;
+		}
+		db = &subordinate_gid_db;
+		break;
+	default:
+		return false;
+	}
+
+	commonio_rewind(db);
+	if (reuse) {
+		while ((r = commonio_next(db)) != NULL) {
+			// TODO account for username vs uid_t
+			if (0 != strcmp(r->owner, range->owner))
+				continue;
+			if (r->count >= range->count) {
+				range->count = r->count;
+				range->start = r->start;
+				return true;
+			}
+		}
+	}
+
+	range->start = find_free_range(db, range->start, ULONG_MAX, range->count);
+
+	if (range->start == ULONG_MAX) {
+		ret = false;
+		goto out;
+	}
+
+	ret = add_range(db, range->owner, range->start, range->count) == 1;
+
+out:
+	if (id_type == ID_TYPE_UID) {
+		sub_uid_close();
+		sub_uid_unlock();
+	} else {
+		sub_gid_close();
+		sub_gid_unlock();
+	}
+
+	return ret;
+}
+
+bool release_subid_range(struct subordinate_range *range, enum subid_type id_type)
+{
+	struct commonio_db *db;
+	bool ret;
+
+	if (get_subid_nss_handle())
+		return false;
+
+	switch (id_type) {
+	case ID_TYPE_UID:
+		if (!sub_uid_lock()) {
+			printf("Failed loging subuids (errno %d)\n", errno);
+			return false;
+		}
+		if (!sub_uid_open(O_CREAT | O_RDWR)) {
+			printf("Failed opening subuids (errno %d)\n", errno);
+			sub_uid_unlock();
+			return false;
+		}
+		db = &subordinate_uid_db;
+		break;
+	case ID_TYPE_GID:
+		if (!sub_gid_lock()) {
+			printf("Failed loging subgids (errno %d)\n", errno);
+			return false;
+		}
+		if (!sub_gid_open(O_CREAT | O_RDWR)) {
+			printf("Failed opening subgids (errno %d)\n", errno);
+			sub_gid_unlock();
+			return false;
+		}
+		db = &subordinate_gid_db;
+		break;
+	default:
+		return false;
+	}
+
+	ret = remove_range(db, range->owner, range->start, range->count) == 1;
+
+	if (id_type == ID_TYPE_UID) {
+		sub_uid_close();
+		sub_uid_unlock();
+	} else {
+		sub_gid_close();
+		sub_gid_unlock();
+	}
+
+	return ret;
+}
+
 #else				/* !ENABLE_SUBIDS */
 extern int errno;		/* warning: ANSI C forbids an empty source file */
 #endif				/* !ENABLE_SUBIDS */

lib/subordinateio.h

@@ -11,10 +11,12 @@
 
 #include <sys/types.h>
 
+#include "../libsubid/subid.h"
+
 extern int sub_uid_close(void);
 extern bool have_sub_uids(const char *owner, uid_t start, unsigned long count);
 extern bool sub_uid_file_present (void);
-extern bool sub_uid_assigned(const char *owner);
+extern bool local_sub_uid_assigned(const char *owner);
 extern int sub_uid_lock (void);
 extern int sub_uid_setdbname (const char *filename);
 extern /*@observer@*/const char *sub_uid_dbname (void);
@@ -23,11 +25,16 @@ extern int sub_uid_unlock (void);
 extern int sub_uid_add (const char *owner, uid_t start, unsigned long count);
 extern int sub_uid_remove (const char *owner, uid_t start, unsigned long count);
 extern uid_t sub_uid_find_free_range(uid_t min, uid_t max, unsigned long count);
+extern int list_owner_ranges(const char *owner, enum subid_type id_type, struct subid_range **ranges);
+extern bool new_subid_range(struct subordinate_range *range, enum subid_type id_type, bool reuse);
+extern bool release_subid_range(struct subordinate_range *range, enum subid_type id_type);
+extern int find_subid_owners(unsigned long id, enum subid_type id_type, uid_t **uids);
+extern void free_subordinate_ranges(struct subordinate_range **ranges, int count);
 
 extern int sub_gid_close(void);
 extern bool have_sub_gids(const char *owner, gid_t start, unsigned long count);
 extern bool sub_gid_file_present (void);
-extern bool sub_gid_assigned(const char *owner);
+extern bool local_sub_gid_assigned(const char *owner);
 extern int sub_gid_lock (void);
 extern int sub_gid_setdbname (const char *filename);
 extern /*@observer@*/const char *sub_gid_dbname (void);

lib/tcbfuncs.c

@@ -1,21 +1,6 @@
 /*
- * Copyright (c) 2001 Rafal Wojtczuk, Solar Designer
+ * SPDX-FileCopyrightText: 2001 Rafal Wojtczuk, Solar Designer
- * All rights reserved.
+ * SPDX-License-Identifier: 0BSD
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #define _GNU_SOURCE
@@ -38,6 +23,8 @@
 #include "shadowio.h"
 #include "tcbfuncs.h"
 
+#include "shadowlog_internal.h"
+
 #define SHADOWTCB_HASH_BY 1000
 #define SHADOWTCB_LOCK_SUFFIX ".lock"
 
@@ -72,8 +59,8 @@ shadowtcb_status shadowtcb_gain_priv (void)
  * to exit soon.
  */
 #define OUT_OF_MEMORY do { \
-	fprintf (stderr, _("%s: out of memory\n"), Prog); \
+	fprintf (shadow_logfd, _("%s: out of memory\n"), shadow_progname); \
-	(void) fflush (stderr); \
+	(void) fflush (shadow_logfd); \
 } while (false)
 
 /* Returns user's tcb directory path relative to TCB_DIR. */
@@ -116,9 +103,9 @@ static /*@null@*/ char *shadowtcb_path_rel_existing (const char *name)
 		return NULL;
 	}
 	if (lstat (path, &st) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot stat %s: %s\n"),
-		         Prog, path, strerror (errno));
+		         shadow_progname, path, strerror (errno));
 		free (path);
 		return NULL;
 	}
@@ -132,26 +119,26 @@ static /*@null@*/ char *shadowtcb_path_rel_existing (const char *name)
 		return rval;
 	}
 	if (!S_ISLNK (st.st_mode)) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: %s is neither a directory, nor a symlink.\n"),
-		         Prog, path);
+		         shadow_progname, path);
 		free (path);
 		return NULL;
 	}
 	ret = readlink (path, link, sizeof (link) - 1);
 	if (-1 == ret) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot read symbolic link %s: %s\n"),
-		         Prog, path, strerror (errno));
+		         shadow_progname, path, strerror (errno));
 		free (path);
 		return NULL;
 	}
 	free (path);
 	if ((size_t)ret >= sizeof(link) - 1) {
 		link[sizeof(link) - 1] = '\0';
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Suspiciously long symlink: %s\n"),
-		         Prog, link);
+		         shadow_progname, link);
 		return NULL;
 	}
 	link[(size_t)ret] = '\0';
@@ -207,9 +194,9 @@ static shadowtcb_status mkdir_leading (const char *name, uid_t uid)
 	}
 	ptr = path;
 	if (stat (TCB_DIR, &st) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot stat %s: %s\n"),
-		         Prog, TCB_DIR, strerror (errno));
+		         shadow_progname, TCB_DIR, strerror (errno));
 		goto out_free_path;
 	}
 	while ((ind = strchr (ptr, '/'))) {
@@ -219,21 +206,21 @@ static shadowtcb_status mkdir_leading (const char *name, uid_t uid)
 			return SHADOWTCB_FAILURE;
 		}
 		if ((mkdir (dir, 0700) != 0) && (errno != EEXIST)) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot create directory %s: %s\n"),
-			         Prog, dir, strerror (errno));
+			         shadow_progname, dir, strerror (errno));
 			goto out_free_dir;
 		}
 		if (chown (dir, 0, st.st_gid) != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot change owner of %s: %s\n"),
-			         Prog, dir, strerror (errno));
+			         shadow_progname, dir, strerror (errno));
 			goto out_free_dir;
 		}
 		if (chmod (dir, 0711) != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot change mode of %s: %s\n"),
-			         Prog, dir, strerror (errno));
+			         shadow_progname, dir, strerror (errno));
 			goto out_free_dir;
 		}
 		free (dir);
@@ -261,9 +248,9 @@ static shadowtcb_status unlink_suffs (const char *user)
 			return SHADOWTCB_FAILURE;
 		}
 		if ((unlink (tmp) != 0) && (errno != ENOENT)) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: unlink: %s: %s\n"),
-			         Prog, tmp, strerror (errno));
+			         shadow_progname, tmp, strerror (errno));
 			free (tmp);
 			return SHADOWTCB_FAILURE;
 		}
@@ -286,9 +273,9 @@ static shadowtcb_status rmdir_leading (char *path)
 		}
 		if (rmdir (dir) != 0) {
 			if (errno != ENOTEMPTY) {
-				fprintf (stderr,
+				fprintf (shadow_logfd,
 				         _("%s: Cannot remove directory %s: %s\n"),
-				         Prog, dir, strerror (errno));
+				         shadow_progname, dir, strerror (errno));
 				ret = SHADOWTCB_FAILURE;
 			}
 			free (dir);
@@ -315,9 +302,9 @@ static shadowtcb_status move_dir (const char *user_newname, uid_t user_newid)
 		goto out_free_nomem;
 	}
 	if (stat (olddir, &oldmode) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot stat %s: %s\n"),
-		         Prog, olddir, strerror (errno));
+		         shadow_progname, olddir, strerror (errno));
 		goto out_free;
 	}
 	old_uid = oldmode.st_uid;
@@ -342,18 +329,18 @@ static shadowtcb_status move_dir (const char *user_newname, uid_t user_newid)
 		goto out_free;
 	}
 	if (rename (real_old_dir, real_new_dir) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot rename %s to %s: %s\n"),
-		         Prog, real_old_dir, real_new_dir, strerror (errno));
+		         shadow_progname, real_old_dir, real_new_dir, strerror (errno));
 		goto out_free;
 	}
 	if (rmdir_leading (real_old_dir_rel) == SHADOWTCB_FAILURE) {
 		goto out_free;
 	}
 	if ((unlink (olddir) != 0) && (errno != ENOENT)) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot remove %s: %s\n"),
-		         Prog, olddir, strerror (errno));
+		         shadow_progname, olddir, strerror (errno));
 		goto out_free;
 	}
 	if (asprintf (&newdir, TCB_DIR "/%s", user_newname) == -1) {
@@ -365,9 +352,9 @@ static shadowtcb_status move_dir (const char *user_newname, uid_t user_newid)
 	}
 	if (   (strcmp (real_new_dir, newdir) != 0)
 	    && (symlink (real_new_dir_rel, newdir) != 0)) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot create symbolic link %s: %s\n"),
-		         Prog, real_new_dir_rel, strerror (errno));
+		         shadow_progname, real_new_dir_rel, strerror (errno));
 		goto out_free;
 	}
 	ret = SHADOWTCB_SUCCESS;
@@ -393,9 +380,7 @@ shadowtcb_status shadowtcb_set_user (const char* name)
 		return SHADOWTCB_SUCCESS;
 	}
 
-	if (NULL != stored_tcb_user) {
+	free (stored_tcb_user);
-		free (stored_tcb_user);
-	}
 
 	stored_tcb_user = strdup (name);
 	if (NULL == stored_tcb_user) {
@@ -464,53 +449,53 @@ shadowtcb_status shadowtcb_move (/*@NULL@*/const char *user_newname, uid_t user_
 		return SHADOWTCB_FAILURE;
 	}
 	if (stat (tcbdir, &dirmode) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot stat %s: %s\n"),
-		         Prog, tcbdir, strerror (errno));
+		         shadow_progname, tcbdir, strerror (errno));
 		goto out_free;
 	}
 	if (chown (tcbdir, 0, 0) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change owners of %s: %s\n"),
-		         Prog, tcbdir, strerror (errno));
+		         shadow_progname, tcbdir, strerror (errno));
 		goto out_free;
 	}
 	if (chmod (tcbdir, 0700) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change mode of %s: %s\n"),
-		         Prog, tcbdir, strerror (errno));
+		         shadow_progname, tcbdir, strerror (errno));
 		goto out_free;
 	}
 	if (lstat (shadow, &filemode) != 0) {
 		if (errno != ENOENT) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot lstat %s: %s\n"),
-			         Prog, shadow, strerror (errno));
+			         shadow_progname, shadow, strerror (errno));
 			goto out_free;
 		}
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Warning, user %s has no tcb shadow file.\n"),
-		         Prog, user_newname);
+		         shadow_progname, user_newname);
 	} else {
 		if (!S_ISREG (filemode.st_mode) ||
 			filemode.st_nlink != 1) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Emergency: %s's tcb shadow is not a "
 			           "regular file with st_nlink=1.\n"
 			           "The account is left locked.\n"),
-			         Prog, user_newname);
+			         shadow_progname, user_newname);
 			goto out_free;
 		}
 		if (chown (shadow, user_newid, filemode.st_gid) != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot change owner of %s: %s\n"),
-			         Prog, shadow, strerror (errno));
+			         shadow_progname, shadow, strerror (errno));
 			goto out_free;
 		}
 		if (chmod (shadow, filemode.st_mode & 07777) != 0) {
-			fprintf (stderr,
+			fprintf (shadow_logfd,
 			         _("%s: Cannot change mode of %s: %s\n"),
-			         Prog, shadow, strerror (errno));
+			         shadow_progname, shadow, strerror (errno));
 			goto out_free;
 		}
 	}
@@ -518,9 +503,15 @@ shadowtcb_status shadowtcb_move (/*@NULL@*/const char *user_newname, uid_t user_
 		goto out_free;
 	}
 	if (chown (tcbdir, user_newid, dirmode.st_gid) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change owner of %s: %s\n"),
-		         Prog, tcbdir, strerror (errno));
+		         shadow_progname, tcbdir, strerror (errno));
+		goto out_free;
+	}
+	if (chmod (tcbdir, dirmode.st_mode & 07777) != 0) {
+		fprintf (shadow_logfd,
+		         _("%s: Cannot change mode of %s: %s\n"),
+		         shadow_progname, tcbdir, strerror (errno));
 		goto out_free;
 	}
 	ret = SHADOWTCB_SUCCESS;
@@ -543,9 +534,9 @@ shadowtcb_status shadowtcb_create (const char *name, uid_t uid)
 		return SHADOWTCB_SUCCESS;
 	}
 	if (stat (TCB_DIR, &tcbdir_stat) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot stat %s: %s\n"),
-		         Prog, TCB_DIR, strerror (errno));
+		         shadow_progname, TCB_DIR, strerror (errno));
 		return SHADOWTCB_FAILURE;
 	}
 	shadowgid = tcbdir_stat.st_gid;
@@ -563,41 +554,41 @@ shadowtcb_status shadowtcb_create (const char *name, uid_t uid)
 		return SHADOWTCB_FAILURE;
 	}
 	if (mkdir (dir, 0700) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: mkdir: %s: %s\n"),
-		         Prog, dir, strerror (errno));
+		         shadow_progname, dir, strerror (errno));
 		goto out_free;
 	}
 	fd = open (shadow, O_RDWR | O_CREAT | O_TRUNC, 0600);
 	if (fd < 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot open %s: %s\n"),
-		         Prog, shadow, strerror (errno));
+		         shadow_progname, shadow, strerror (errno));
 		goto out_free;
 	}
 	close (fd);
 	if (chown (shadow, 0, authgid) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change owner of %s: %s\n"),
-		         Prog, shadow, strerror (errno));
+		         shadow_progname, shadow, strerror (errno));
 		goto out_free;
 	}
 	if (chmod (shadow, (mode_t) ((authgid == shadowgid) ? 0600 : 0640)) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change mode of %s: %s\n"),
-		         Prog, shadow, strerror (errno));
+		         shadow_progname, shadow, strerror (errno));
 		goto out_free;
 	}
 	if (chown (dir, 0, authgid) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change owner of %s: %s\n"),
-		         Prog, dir, strerror (errno));
+		         shadow_progname, dir, strerror (errno));
 		goto out_free;
 	}
 	if (chmod (dir, (mode_t) ((authgid == shadowgid) ? 02700 : 02710)) != 0) {
-		fprintf (stderr,
+		fprintf (shadow_logfd,
 		         _("%s: Cannot change mode of %s: %s\n"),
-		         Prog, dir, strerror (errno));
+		         shadow_progname, dir, strerror (errno));
 		goto out_free;
 	}
 	if (   (shadowtcb_set_user (name) == SHADOWTCB_FAILURE)

lib/utent.c

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1993 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1993 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

libmisc/Makefile.am

@@ -1,11 +1,11 @@
 
 EXTRA_DIST = .indent.pro xgetXXbyYY.c
 
-AM_CPPFLAGS = -I$(top_srcdir)/lib $(ECONF_CPPFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir)/lib -I$(top_srcdir) $(ECONF_CPPFLAGS)
 
-noinst_LIBRARIES = libmisc.a
+noinst_LTLIBRARIES = libmisc.la
 
-libmisc_a_SOURCES = \
+libmisc_la_SOURCES = \
 	addgrps.c \
 	age.c \
 	audit_help.c \
@@ -19,6 +19,7 @@ libmisc_a_SOURCES = \
 	cleanup_user.c \
 	console.c \
 	copydir.c \
+	date_to_str.c \
 	entry.c \
 	env.c \
 	failure.c \
@@ -74,6 +75,6 @@ libmisc_a_SOURCES = \
 	yesno.c
 
 if WITH_BTRFS
-libmisc_a_SOURCES += btrfs.c
+libmisc_la_SOURCES += btrfs.c
 endif
 

libmisc/Makefile.in

@@ -0,0 +1,927 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@WITH_BTRFS_TRUE@am__append_1 = btrfs.c
+subdir = libmisc
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/gettext.m4 \
+	$(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
+	$(top_srcdir)/m4/lib-ld.m4 $(top_srcdir)/m4/lib-link.m4 \
+	$(top_srcdir)/m4/lib-prefix.m4 $(top_srcdir)/m4/libtool.m4 \
+	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
+	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/po.m4 \
+	$(top_srcdir)/m4/progtest.m4 $(top_srcdir)/acinclude.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+libmisc_la_LIBADD =
+am__libmisc_la_SOURCES_DIST = addgrps.c age.c audit_help.c basename.c \
+	chkname.c chkname.h chowndir.c chowntty.c cleanup.c \
+	cleanup_group.c cleanup_user.c console.c copydir.c \
+	date_to_str.c entry.c env.c failure.c failure.h find_new_gid.c \
+	find_new_uid.c find_new_sub_gids.c find_new_sub_uids.c \
+	getdate.h getdate.y getgr_nam_gid.c getrange.c gettime.c \
+	hushed.c idmapping.h idmapping.c isexpired.c limits.c list.c \
+	log.c loginprompt.c mail.c motd.c myname.c obscure.c \
+	pam_pass.c pam_pass_non_interactive.c prefix_flag.c pwd2spwd.c \
+	pwdcheck.c pwd_init.c remove_tree.c rlogin.c root_flag.c \
+	salt.c setugid.c setupenv.c shell.c strtoday.c sub.c sulog.c \
+	ttytype.c tz.c ulimit.c user_busy.c utmp.c valid.c xgetpwnam.c \
+	xgetpwuid.c xgetgrnam.c xgetgrgid.c xgetspnam.c xmalloc.c \
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+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
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+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libmisc/addgrps.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2001 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2006, Tomasz Kłoczko
- * Copyright (c) 2007 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>
@@ -40,6 +17,7 @@
 #include <stdio.h>
 #include <grp.h>
 #include <errno.h>
+#include "shadowlog.h"
 
 #ident "$Id$"
 
@@ -57,6 +35,8 @@ int add_groups (const char *list)
 	bool added;
 	char *token;
 	char buf[1024];
+	int ret;
+	FILE *shadow_logfd = log_get_logfd();
 
 	if (strlen (list) >= sizeof (buf)) {
 		errno = EINVAL;
@@ -93,7 +73,7 @@ int add_groups (const char *list)
 
 		grp = getgrnam (token); /* local, no need for xgetgrnam */
 		if (NULL == grp) {
-			fprintf (stderr, _("Warning: unknown group %s\n"),
+			fprintf (shadow_logfd, _("Warning: unknown group %s\n"),
 				 token);
 			continue;
 		}
@@ -105,7 +85,7 @@ int add_groups (const char *list)
 		}
 
 		if (ngroups >= sysconf (_SC_NGROUPS_MAX)) {
-			fputs (_("Warning: too many groups\n"), stderr);
+			fputs (_("Warning: too many groups\n"), shadow_logfd);
 			break;
 		}
 		tmp = (gid_t *) realloc (grouplist, (size_t)(ngroups + 1) * sizeof (GETGROUPS_T));
@@ -120,9 +100,12 @@ int add_groups (const char *list)
 	}
 
 	if (added) {
-		return setgroups ((size_t)ngroups, grouplist);
+		ret = setgroups ((size_t)ngroups, grouplist);
+		free (grouplist);
+		return ret;
 	}
 
+	free (grouplist);
 	return 0;
 }
 #else				/* HAVE_SETGROUPS && !USE_PAM */

libmisc/age.c

@@ -1,33 +1,10 @@
 /*
- * Copyright (c) 1989 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
- * Copyright (c) 2001 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2001 - 2006, Tomasz Kłoczko
- * Copyright (c) 2008 - 2009, Nicolas François
+ * SPDX-FileCopyrightText: 2008 - 2009, Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <config.h>

libmisc/audit_help.c

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 2005       , Red Hat, Inc.
+ * SPDX-FileCopyrightText: 2005       , Red Hat, Inc.
- * Copyright (c) 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
- * Copyright (c) 2008       , Nicolas François
+ * SPDX-FileCopyrightText: 2008       , Nicolas François
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
@@ -45,6 +22,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include "prototypes.h"
+#include "shadowlog.h"
 int audit_fd;
 
 void audit_help_open (void)
@@ -59,7 +37,7 @@ void audit_help_open (void)
 			return;
 		}
 		(void) fputs (_("Cannot open audit interface - aborting.\n"),
-		              stderr);
+		              log_get_logfd());
 		exit (EXIT_FAILURE);
 	}
 }

libmisc/basename.c

@@ -1,32 +1,9 @@
 /*
- * Copyright (c) 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 1997, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 1996 - 1997, Marek Michałkiewicz
- * Copyright (c) 2003 - 2005, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
+ * SPDX-License-Identifier: BSD-3-Clause
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*